Opinions from A. Williams et al. 2002

  • 'Aalenirhynchia was reranked as Rhynchonelloidea (Aalenirhynchia) and belongs to Rhynchonelloidea'
  • 'Abrekia belongs to Piarorhynchiinae'
  • 'Acambona belongs to Retziidae'
  • 'Acanthoglypha belongs to Clarkellidae'
  • 'Acanthorhynchia belongs to Acanthorhynchiinae'
  • 'Acanthorhynchiinae belongs to Acanthothirididae'
  • 'Acanthothirididae belongs to Rhynchonelloidea'
  • 'Acanthothiridinae belongs to Acanthothirididae'
  • 'Acanthothiris belongs to Acanthothiridinae'
  • 'Acanthothyris is a subjective synonym of Acanthothiris'
  • 'Acanthothyris panacanthina is recombined as Acanthorhynchia panacanthina'
  • 'Acanthothyropsis belongs to Acanthorhynchiinae'
  • 'Acidotocarena belongs to Problematica'
  • 'Acolosia belongs to Acolosiinae'
  • 'Acolosiinae belongs to Pontisiidae'
  • 'Actinoconchus belongs to Athyridinae'
  • 'Adaptatrypa is a subjective synonym of Kerpina'
  • 'Aenigmastricklandia belongs to Stricklandiinae'
  • 'Aenigmastrophia belongs to Aenigmastrophiidae'
  • 'Aenigmastrophiidae belongs to Stricklandioidea'
  • 'Aetheia belongs to Aetheiinae'
  • 'Aetheiinae belongs to Basiliolidae'
  • 'Aethirhynchia belongs to Cryptorhynchiinae'
  • 'Agarhyncha belongs to Trigonirhynchiinae'
  • 'Aidynkulirhynchia is a subjective synonym of Pamirorhynchia'
  • 'Akopovorhynchia belongs to Davanirhynchiinae'
  • 'Aldina belongs to Allorhynchidae'
  • 'Alekseevaella belongs to Vladimirirhynchinae'
  • 'Aliconchidium belongs to Conchidiinae'
  • 'Alispira belongs to Clintonellinae'
  • 'Allorhynchidae belongs to Wellerelloidea'
  • 'Allorhynchoides belongs to Pugnacidae'
  • 'Allorhynchus belongs to Allorhynchidae'
  • 'Almerarhynchia belongs to Cyclothyridinae'
  • 'Almorhynchia belongs to Basiliolinae'
  • 'Altunella belongs to Syntrophopsinae'
  • 'Alvarezites belongs to Athyridinae'
  • 'Amerista belongs to Meristinae'
  • 'Amissopecten belongs to Septalariidae'
  • 'Amoenirhynchia belongs to Prionorhynchiidae'
  • 'Amphiclina belongs to Koninckinidae'
  • 'Amphiclina (Amphiclinodonta) was reranked as Amphiclinodonta and belongs to Koninckinidae'
  • 'Amphipella belongs to Amphipellidae'
  • 'Amphipellidae belongs to Wellerelloidea'
  • 'Amphitomella belongs to Diplospirellinae'
  • 'Amsdenella belongs to Amsdenellinae'
  • 'Amsdenellinae belongs to Hebetoechiidae'
  • 'Amsdenina belongs to Gypidulinae'
  • 'Amydroptychus belongs to Gibbirhynchiinae'
  • 'Anabaia belongs to Leptocoeliidae'
  • 'Anabaria belongs to Clintonellinae'
  • 'Anarhynchia belongs to Peregrinelloideidae'
  • 'Anastrophia belongs to Parastrophinidae'
  • 'Anathyrella belongs to Plicathyridinae'
  • 'Anathyris belongs to Plicathyridinae'
  • 'Anatrypa belongs to Variatrypinae'
  • 'Anazyga belongs to Anazyginae'
  • 'Anazygidae belongs to Anazygoidea'
  • 'Anazygidina belongs to Atrypida'
  • 'Anazyginae belongs to Anazygidae'
  • 'Anazygoidea belongs to Anazygidina'
  • 'Ancillotoechia belongs to Trigonirhynchiinae'
  • 'Ancistrorhyncha belongs to Ancistrorhynchidae'
  • 'Ancistrorhynchidae belongs to Ancistrorhynchoidea'
  • 'Ancistrorhynchoidea belongs to Rhynchonellida'
  • 'Anisactinella belongs to Diplospirellinae'
  • 'Anomactinella belongs to Misoliinae'
  • 'Anoplotheca belongs to Anoplothecinae'
  • 'Anoplothecidae belongs to Anoplothecoidea'
  • 'Anoplothecinae belongs to Anoplothecidae'
  • 'Anoplothecoidea belongs to Athyridida'
  • 'Anteridocus belongs to Pontisiinae'
  • 'Antigaleatella is a subjective synonym of Brevilamnulella'
  • 'Antirhynchonella belongs to Clorindinae'
  • 'Antizygospira is a subjective synonym of Sulcatospira'
  • 'Antronaria belongs to Pontisiinae'
  • 'Anulatrypa is a subjective synonym of Kyrtatrypa'
  • 'Aorhynchia belongs to Piarorhynchiinae'
  • 'Aparimarhynchia belongs to Praemonticlarellinae'
  • 'Apertirhynchella belongs to Cirpinae'
  • 'Aphaurosia belongs to Acolosiinae'
  • 'Apheathyris belongs to Athyrididina'
  • 'Aphelesia belongs to Aphelesiinae'
  • 'Aphelesiinae belongs to Basiliolidae'
  • 'Apopentamerus is a subjective synonym of Isovella'
  • 'Apringia belongs to Basiliolinae'
  • 'Araneatrypa is a subjective synonym of Fossatrypa'
  • 'Araratella belongs to Araratellinae'
  • 'Aratella is a misspelling of Araratella'
  • 'Araratellinae belongs to Rhynchoporidae'
  • 'Aratanea belongs to Eatoniidae'
  • 'Aratoechia belongs to Trigonirhynchiinae'
  • 'Araxathyris belongs to Spirigerellinae'
  • 'Arctispira is a subjective synonym of Ogilviella'
  • 'Arctomeristina belongs to Meristellinae'
  • 'Areella is a nomen dubium'
  • 'Argella belongs to Hyattidinidae'
  • 'Argorhynx belongs to Retziellidae'
  • 'Ascanigypa belongs to Gypidulinae'
  • 'Aseptalium belongs to Corvinopugnacinae'
  • 'Aseptirhynchia belongs to Aseptorhynchiidae'
  • 'Aseptorhynchiidae belongs to Pugnacoidea'
  • 'Asiarhynchia is a nomen dubium'
  • 'Astua belongs to Trigonirhynchiinae'
  • 'Astutorhyncha belongs to Linguopugnoidinae'
  • 'Athabaschia belongs to Petasmariidae'
  • 'Athyrhynchus belongs to Septalariidae'
  • 'Athyridae is a misspelling of Athyrididae'
  • 'Athyrididae belongs to Athyridoidea'
  • 'Athyrididina belongs to Athyridida'
  • 'Athyridinae belongs to Athyrididae'
  • 'Athyridoidea belongs to Athyrididina'
  • 'Athyridoidea is replaced by Athyrididina'
  • 'Athyris belongs to Athyridinae'
  • 'Athyris (Bruntonites) mellingeni is recombined as Bruntonites mellingeni'
  • 'Athyrisina belongs to Athyrisininae'
  • 'Athyrisininae belongs to Athyrididae'
  • 'Athyrisinoides belongs to Clintonellinae'
  • 'Neoathyrisina is a subjective synonym of Parathyrisina'
  • 'Athyrisinopsis is a subjective synonym of Athyrisina'
  • 'Athyracea is replaced by Athyridoidea'
  • 'Atribonium belongs to Stenoscismatinae'
  • 'Atrypa belongs to Atrypinae'
  • 'Atryparia belongs to Atrypinae'
  • 'Atrypella is a subjective synonym of Atrypoidea'
  • 'Atrypellina belongs to Lissatrypidae'
  • 'Atrypida belongs to Rhynchonellata'
  • 'Atrypidae belongs to Atrypoidea'
  • 'Atrypidina belongs to Atrypida'
  • 'Atrypina belongs to Atrypininae'
  • 'Atrypinae belongs to Atrypidae'
  • 'Atrypinella belongs to Atrypinellinae'
  • 'Atrypinellinae belongs to Punctatrypidae'
  • 'Atrypinidae belongs to Atrypoidea'
  • 'Atrypininae belongs to Atrypinidae'
  • 'Atrypinopsis was reranked as Atrypina (Atrypinopsis) and belongs to Atrypina'
  • 'Atrypoidea belongs to Lissatrypidae'
  • 'Atrypoidea belongs to Atrypidina'
  • 'Atrypopsis is a subjective synonym of Septatrypa'
  • 'Atrypunculus is a subjective synonym of Punctspinatrypa'
  • 'Atrythyris belongs to Athyridinae'
  • 'Aucklandirhynchia belongs to Cyclothyridinae'
  • 'Aulacatrypa belongs to Lissatrypidae'
  • 'Aulidospira belongs to Meristinae'
  • 'Aulites belongs to Cryptoporidae'
  • 'Australina belongs to Lissatrypidae'
  • 'Australirhynchia belongs to Machaerariidae'
  • 'Australispira belongs to Spirigerininae'
  • 'Australocoelia belongs to Leptocoeliidae'
  • 'Austriella is replaced by Austriellula'
  • 'Austriellina is an objective synonym of Austriellula'
  • 'Austriellula belongs to Norellinae'
  • 'Austrirhynchia belongs to Austrirhynchidae'
  • 'Austrirhynchidae belongs to Rhynchotetradoidea'
  • 'Axiodeaneia belongs to Axiodeaneiinae'
  • 'Axiodeaneiinae belongs to Rhynchotetradidae'
  • 'Azamella belongs to Rostricellulinae'
  • 'Baeorhynchia belongs to Tetrarhynchiinae'
  • 'Bailongjiangella is a subjective synonym of Rhynchotreta'
  • 'Bajtugania belongs to Cleiothyridininae'
  • 'Barkolia is a subjective synonym of Septatrypa'
  • 'Barrandina belongs to Clorindinae'
  • 'Barzellinia belongs to Rhynchonellida'
  • 'Basilicorhynchinae belongs to Leiorhynchidae'
  • 'Basilicorhynchus belongs to Basilicorhynchinae'
  • 'Basiliola belongs to Basiliolinae'
  • 'Basiliolidae belongs to Pugnacoidea'
  • 'Basiliolinae belongs to Basiliolidae'
  • 'Bateridium was reranked as Kirkidium (Bateridium) and belongs to Kirkidium'
  • 'Bathyrhyncha belongs to Hemitoechiinae'
  • 'Beckmannia belongs to Beckmanniinae'
  • 'Beckmanniinae belongs to Hebetoechiidae'
  • 'Becscia belongs to Septatrypinae'
  • 'Beichuanella belongs to Proatriboniinae'
  • 'Beichuanrhynchus is a nomen dubium'
  • 'Beitaia belongs to Clintonellinae'
  • 'Belbekella belongs to Tetrarhynchiinae'
  • 'Bergalaria belongs to Septalariidae'
  • 'Betterbergia belongs to Betterbergiinae'
  • 'Betterbergiinae belongs to Hebetoechiidae'
  • 'Bicepsirhynchia belongs to Cyclothyridinae'
  • 'Biconostrophia belongs to Carinatinidae'
  • 'Biernatella belongs to Helenathyridinae'
  • 'Bifida belongs to Anoplothecinae'
  • 'Bihendulirhynchia belongs to Ivanoviellinae'
  • 'Bilaminella belongs to Bilaminellinae'
  • 'Bilaminellinae belongs to Rhynchonellidae'
  • 'Biseptum belongs to Conchidiellinae'
  • 'Bisulcata belongs to Pentameridae'
  • 'Busulcata is a misspelling of Bisulcata'
  • 'Bleshidium belongs to Camerellinae'
  • 'Bobinella belongs to Syntrophopsinae'
  • 'Bodrakella belongs to Pontisiinae'
  • 'Bohemirhynchia belongs to Cretirhynchiinae'
  • 'Boloria belongs to Paranorellinae'
  • 'Boreadocamara belongs to Stenocamarinae'
  • 'Borealirhynchia is a nomen dubium'
  • 'Borealis belongs to Virgianinae'
  • 'Boucotella belongs to Eatoniidae'
  • 'Boucotides belongs to Clorindinae'
  • 'Bradfordirhynchia belongs to Ivanoviellinae'
  • 'Brevicamera belongs to Camerellinae'
  • 'Brevilamnulella belongs to Mariannaellinae'
  • 'Breviseptum belongs to Gypidulinae'
  • 'Brimethyris belongs to Athyridinae'
  • 'Brooksina belongs to Pentameridae'
  • 'Browneella belongs to Hemitoechiinae'
  • 'Brunnirhyncha belongs to Aseptorhynchiidae'
  • 'Bruntonites belongs to Athyridinae'
  • 'Bryorhynchus belongs to Petasmariidae'
  • 'Buceqia is a subjective synonym of Lissatrypa'
  • 'Buchanathyris belongs to Didymothyridinae'
  • 'Burmirhynchia belongs to Gibbirhynchiinae'
  • 'Burrirhynchia belongs to Cretirhynchiinae'
  • 'Butkovia belongs to Anoplothecinae'
  • 'Cadudium belongs to Gypidulinae'
  • 'Calcirhynchia belongs to Cirpinae'
  • 'Caledorhynchia belongs to Piarorhynchiinae'
  • 'Callaiapsida belongs to Cyrolexinae'
  • 'Calliglypha belongs to Clarkellidae'
  • 'Callipentamerus was reranked as Pentameroides (Callipentamerus) and belongs to Pentameroides'
  • 'Callipleura belongs to Machaerariidae'
  • 'Calvinaria belongs to Calvinariinae'
  • 'Calvinariinae belongs to Leiorhynchidae'
  • 'Calvirhynchia belongs to Calvirhynchiinae'
  • 'Calvirhynchiinae belongs to Erymnariidae'
  • 'Camarium belongs to Meristinae'
  • 'Camarophorella belongs to Camarophorellinae'
  • 'Camarophorellinae belongs to Meristidae'
  • 'Camarophorina belongs to Psilocamarinae'
  • 'Camarophorinella belongs to Psilocamarinae'
  • 'Camarospira belongs to Camarophorellinae'
  • 'Camarothyridina belongs to Ladogiidae'
  • 'Camarotoechia belongs to Camarotoechiinae'
  • 'Camarotoechiidae belongs to Camarotoechioidea'
  • 'Camarotoechiinae belongs to Camarotoechiidae'
  • 'Camarotoechioidea belongs to Rhynchonellida'
  • 'Camarotoechioides is a nomen dubium'
  • 'Cambrotrophia belongs to Eostrophiidae'
  • 'Camerella belongs to Camerellinae'
  • 'Camerellidae belongs to Camerelloidea'
  • 'Camarellidae is a misspelling of Camerellidae'
  • 'Camerellinae belongs to Camerellidae'
  • 'Camerelloidea belongs to Syntrophiidina'
  • 'Camerisma belongs to Stenoscismatinae'
  • 'Camerophoria is an objective synonym of Stenoscisma'
  • 'Camerophorina belongs to Camerophorinidae'
  • 'Camerophorinidae belongs to Pugnacoidea'
  • 'Canavirilia belongs to Calvinariinae'
  • 'Capelliniella belongs to Pentameridae'
  • 'Capillirhynchia belongs to Striirhynchiinae'
  • 'Capillirostra belongs to Monticlarellinae'
  • 'Carapezzia belongs to Peregrinellinae'
  • 'Cardinirhynchia belongs to Cardinirhynchiinae'
  • 'Cardinirhynchiidae was reranked as the subfamily Cardinirhynchiinae and belongs to Cyclothyrididae'
  • 'Cardiothyris belongs to Spirigerellinae'
  • 'Carinagypa belongs to Gypidulinae'
  • 'Carinagypa (Aseptagypa) belongs to Carinagypa'
  • 'Carinatina belongs to Carinatinidae'
  • 'Carinatinella is a subjective synonym of Desquamatia'
  • 'Carinatinidae belongs to Davidsonioidea'
  • 'Carinatrypa belongs to Carinatinidae'
  • 'Carinokoninckina belongs to Koninckinidae'
  • 'Carolirhynchia belongs to Aseptorhynchiidae'
  • 'Carteridina belongs to Cleiothyridininae'
  • 'Caryogyps belongs to Gypidulinae'
  • 'Caryorhynchus belongs to Leiorhynchinae'
  • 'Cassianospira belongs to Neoretziinae'
  • 'Cassidirostrum belongs to Beckmanniinae'
  • 'Catatrypa belongs to Spinatrypinae'
  • 'Catazyga belongs to Catazyginae'
  • 'Catazyginae belongs to Anazygidae'
  • 'Caucasella belongs to Septocrurellinae'
  • 'Caucasorhynchia belongs to Allorhynchidae'
  • 'Cavatisinurostrum belongs to Pugnacidae'
  • 'Cenorhynchia belongs to Wellerellinae'
  • 'Centrorhynchus belongs to Hemitoechiinae'
  • 'Cerasina belongs to Lissatrypidae'
  • 'Cerberatrypa belongs to Septatrypinae'
  • 'Chaeniorhynchus belongs to Strigirhynchiinae'
  • 'Changyangrhynchus is a subjective synonym of Wellerella'
  • 'Chapinella belongs to Pugnacidae'
  • 'Charionella belongs to Meristellinae'
  • 'Charionoides belongs to Meristellinae'
  • 'Cherkesovaena is a subjective synonym of Biconostrophia'
  • 'Cherubicornea belongs to Machaerariidae'
  • 'Chivatschella is a nomen dubium'
  • 'Chlupacitoechia belongs to Glossinotoechiidae'
  • 'Cirpa belongs to Cirpinae'
  • 'Cirpinae belongs to Wellerellidae'
  • 'Claratrypa is a subjective synonym of Gracianella'
  • 'Clarkeia belongs to Eatoniidae'
  • 'Clarkella belongs to Clarkellidae'
  • 'Clarkellidae belongs to Porambonitoidea'
  • 'Clavigera belongs to Clavigerinae'
  • 'Clavigerinae belongs to Diplospirellidae'
  • 'Cleiothyridellina is a subjective synonym of Cleiothyridina'
  • 'Cleiothyridellina accoliformis is recombined as Cleiothyridina accoliformis'
  • 'Cleiothyridina belongs to Cleiothyridininae'
  • 'Cleiothyridininae belongs to Athyrididae'
  • 'Clintonella belongs to Clintonellinae'
  • 'Clintonellinae belongs to Atrypinidae'
  • 'Clorinda belongs to Clorindinae'
  • 'Clorindella belongs to Pentamerellinae'
  • 'Clorindidae belongs to Clorindoidea'
  • 'Clorindina belongs to Pentamerellinae'
  • 'Clorindinae belongs to Clorindidae'
  • 'Clorindinella belongs to Pentamerellinae'
  • 'Clorindoidea belongs to Pentameridina'
  • 'Coelospira belongs to Coelospirinae'
  • 'Coelospirella belongs to Coelospirinae'
  • 'Coelospirina belongs to Coelospirinae'
  • 'Coelospirinae belongs to Anoplothecidae'
  • 'Coeloterorhynchus belongs to Pugnacidae'
  • 'Coledium belongs to Stenoscismatinae'
  • 'Collarothyris belongs to Didymothyridinae'
  • 'Colophragma belongs to Pugnacidae'
  • 'Colpotoria belongs to Gibbirhynchiinae'
  • 'Comelicania belongs to Comelicaniinae'
  • 'Comelicaniinae belongs to Athyrididae'
  • 'Comiotoechia belongs to Ladogiidae'
  • 'Composita belongs to Spirigerellinae'
  • 'Compositella is a subjective synonym of Spirigerellina'
  • 'Conarosia belongs to Gibbirhynchiinae'
  • 'Conchidiellinae belongs to Gypidulidae'
  • 'Conchidiinae belongs to Subrianidae'
  • 'Conchidium belongs to Conchidiinae'
  • 'Cooperispira belongs to Plectospirinae'
  • 'Cooperrhynchia belongs to Rhynchonellininae'
  • 'Corrugatimediorostrum is a nomen dubium'
  • 'Corvinopugnacinae belongs to Innaechiidae'
  • 'Corvinopugnax belongs to Corvinopugnacinae'
  • 'Costatrypa was reranked as Atryparia (Costatrypa) and belongs to Atryparia'
  • 'Costellirostra belongs to Eatoniidae'
  • 'Costinorella belongs to Paranorellininae'
  • 'Costirhynchia belongs to Isjuminellinae'
  • 'Costirhynchopsis belongs to Cyclothyridinae'
  • 'Costistricklandia belongs to Stricklandiinae'
  • 'Crassatrypa belongs to Karpinskiinae'
  • 'Crassipunctatrypa belongs to Punctatrypinae'
  • 'Cratorhynchonella is a subjective synonym of Lanceomyonia'
  • 'Cretirhynchia belongs to Cretirhynchiinae'
  • 'Cretirhynchiinae belongs to Tetrarhynchiidae'
  • 'Crinisarina belongs to Cleiothyridininae'
  • 'Cromatrypa belongs to Lissatrypidae'
  • 'Crurirhynchia belongs to Cryptorhynchiinae'
  • 'Cryptatrypa is a subjective synonym of Glassia'
  • 'Cryptopora belongs to Cryptoporidae'
  • 'Cryptoporella belongs to Cryptoporidae'
  • 'Cryptoporidae belongs to Dimerelloidea'
  • 'Cryptorhynchia belongs to Cryptorhynchiinae'
  • 'Cryptorhynchiinae belongs to Erymnariidae'
  • 'Cryptospirifer belongs to Lochengiinae'
  • 'Cryptothyrella is a subjective synonym of Hindella'
  • 'Ctenokoninckina is a subjective synonym of Carinokoninckina'
  • 'Cubanirhynchia belongs to Davanirhynchiinae'
  • 'Cuneirhynchia belongs to Piarorhynchiinae'
  • 'Cuparius belongs to Punctolirinae'
  • 'Cuparius cardilatus belongs to Cuparius'
  • 'Cupularostrum belongs to Trigonirhynchiinae'
  • 'Curtirhynchia belongs to Rhynchonellinae'
  • 'Cyclorhynchia is a subjective synonym of Cyclospira'
  • 'Cyclospira belongs to Cyclospiridae'
  • 'Cyclospiridae belongs to Protozygoidea'
  • 'Cyclothyridae is corrected as Cyclothyrididae and belongs to Hemithiridoidea'
  • 'Cyclothyrinae is corrected as Cyclothyridinae and belongs to Cyclothyrididae'
  • 'Cyclothyris belongs to Cyclothyridinae'
  • 'Cymatorhynchia belongs to Tetrarhynchiinae'
  • 'Cymbidium belongs to Conchidiinae'
  • 'Cyphoterorhynchus belongs to Ripidiorhynchinae'
  • 'Cyrolexinae belongs to Psilocamaridae'
  • 'Cyrolexis belongs to Cyrolexinae'
  • 'Dabashanospira is a subjective synonym of Clintonella'
  • 'Daghanirhynchia belongs to Tetrarhynchiinae'
  • 'Dagysorhynchia belongs to Basiliolidae'
  • 'Dalerhynchus belongs to Hemitoechiinae'
  • 'Davanirhynchia belongs to Davanirhynchiinae'
  • 'Davanirhynchiinae belongs to Rhynchonellidae'
  • 'Davidsonia belongs to Davidsoniidae'
  • 'Davidsoniatrypa is a subjective synonym of Biconostrophia'
  • 'Davidsoniidae belongs to Davidsonioidea'
  • 'Davidsoniidina belongs to Atrypida'
  • 'Davidsonioidea belongs to Davidsoniidina'
  • 'Dayia belongs to Dayiidae'
  • 'Dayiidae belongs to Dayioidea'
  • 'Dayioidea belongs to Athyridida'
  • 'Decoropugnax belongs to Corvinopugnacinae'
  • 'Decurtella belongs to Austrirhynchidae'
  • 'Deltachania belongs to Cleiothyridininae'
  • 'Deltarhynchia belongs to Tetrarhynchiinae'
  • 'Deltarina belongs to Allorhynchidae'
  • 'Densalvus belongs to Spirigerellinae'
  • 'Denticuliphoria is a subjective synonym of Pseudowellerella'
  • 'Denticuliphoria rara is a subjective synonym of Pseudowellerella nikchitchi'
  • 'Desatrypa belongs to Vagraniinae'
  • 'Desquamatia belongs to Variatrypinae'
  • 'Devonatrypa belongs to Variatrypinae'
  • 'Devonogypa belongs to Devonogypinae'
  • 'Devonogypinae belongs to Gypidulidae'
  • 'Diabolirhynchia belongs to Eatoniidae'
  • 'Diaphelasma belongs to Clarkellidae'
  • 'Dicamara belongs to Meristinae'
  • 'Dicamaropsis belongs to Meristinae'
  • 'Dichozygopleura belongs to Pradoiinae'
  • 'Dictyonathyris is a subjective synonym of Oxycolpella'
  • 'Dictyonathyris lanaensis is recombined as Oxycolpella lanaensis'
  • 'Dictyonathyris zhonghuaensis is recombined as Oxycolpella zhonghuaensis'
  • 'Didymelasma belongs to Parallelelasmatidae'
  • 'Didymothyridinae belongs to Athyrididae'
  • 'Didymothyris belongs to Didymothyridinae'
  • 'Dierisma belongs to Cryptorhynchiinae'
  • 'Dihelictera belongs to Atrypinae'
  • 'Diholkorhynchia belongs to Diholkorhynchiinae'
  • 'Diholkorhynchiinae belongs to Norellidae'
  • 'Dimensionaequalirostrum belongs to Pugnacidae'
  • 'Dimerella belongs to Dimerellinae'
  • 'Dimerellidae belongs to Dimerelloidea'
  • 'Dimerellinae belongs to Dimerellidae'
  • 'Dimerelloidea belongs to Rhynchonellida'
  • 'Dioristella belongs to Ochotathyridinae'
  • 'Diplospirella belongs to Diplospirellinae'
  • 'Diplospirellidae belongs to Athyridoidea'
  • 'Diplospirellinae belongs to Diplospirellidae'
  • 'Disulcatella belongs to Mariannaellinae'
  • 'Divaricosta belongs to Pontisiinae'
  • 'Dnestrina belongs to Anoplothecinae'
  • 'Dogdathyris belongs to Didymothyridinae'
  • 'Dogdoa belongs to Dogdoinae'
  • 'Dogdoinae belongs to Innaechiidae'
  • 'Doloresella belongs to Tetralobulinae'
  • 'Donella is a nomen dubium'
  • 'Dorsisinus belongs to Rhynchonellida'
  • 'Dorytreta belongs to Sphenotretidae'
  • 'Drepanorhyncha belongs to Ancistrorhynchidae'
  • 'Droharhynchia belongs to Hadrorhynchiidae'
  • 'Druganirhynchia belongs to Tetrarhynchiinae'
  • 'Dubaria is a subjective synonym of Septatrypa'
  • 'Dushanirhynchia belongs to Hemitoechiinae'
  • 'Dzhangirhynchia is a subjective synonym of Stolmorhynchia'
  • 'Dzieduszyckia belongs to Dzieduszyckiinae'
  • 'Dzieduszyckiinae belongs to Peregrinellidae'
  • 'Eatonia belongs to Eatoniidae'
  • 'Eatoniidae belongs to Uncinuloidea'
  • 'Eatonioides belongs to Eatoniidae'
  • 'Echinirhynchia belongs to Acanthorhynchiinae'
  • 'Echyrosia belongs to Tetrarhynchiinae'
  • 'Ectorhipidium was reranked as Rhipidium (Ectorhipidium) and belongs to Rhipidium'
  • 'Ehlersella belongs to Stricklandiinae'
  • 'Eifelatrypa belongs to Carinatinidae'
  • 'Eifyris belongs to Athyridinae'
  • 'Ellassonia is a misspelling of Elassonia'
  • 'Elassonia belongs to Petasmatheridae'
  • 'Eliorhynchus belongs to Leiorhynchinae'
  • 'Enantiosphen belongs to Enantiosphenidae'
  • 'Enantiosphenella belongs to Enantiosphenidae'
  • 'Enantiosphenidae belongs to Gypiduloidea'
  • 'Endrea belongs to Atrypinae'
  • 'Eoanastrophia belongs to Parastrophinidae'
  • 'Eobiernatella belongs to Helenathyridinae'
  • 'Eocoelia belongs to Leptocoeliidae'
  • 'Eoconchidium belongs to Mariannaellinae'
  • 'Eoglossinotoechia belongs to Glossinotoechiidae'
  • 'Eohemithiris is corrected as Eohemithyris and belongs to Basiliolinae'
  • 'Eokarpinskia belongs to Karpinskiinae'
  • 'Eokirkidium belongs to Pentameridae'
  • 'Eonalivkinia is a subjective synonym of Catazyga'
  • 'Eoparaphorhynchus belongs to Leiorhynchinae'
  • 'Eoperegrinella is a subjective synonym of Dzieduszyckia'
  • 'Eopugnax belongs to Pugnacidae'
  • 'Eoseptaliphoria belongs to Tetrarhynchiinae'
  • 'Eospinatrypa belongs to Spinatrypinae'
  • 'Eospirigerina is corrected as Eospirigerina and belongs to Spirigerininae'
  • 'Eostrophiidae belongs to Porambonitoidea'
  • 'Equirostra was reranked as Porambonites (Equirostra) and belongs to Porambonites'
  • 'Errhynx belongs to Rozmanariidae'
  • 'Erymnaria belongs to Erymnariinae'
  • 'Erymnariidae belongs to Pugnacoidea'
  • 'Erymnariinae belongs to Erymnariidae'
  • 'Estonirhynchia belongs to Sphaerirhynchiinae'
  • 'Eucharitina belongs to Uncinulidae'
  • 'Eumetabolotoechia belongs to Leiorhynchinae'
  • 'Eumetria belongs to Retziidae'
  • 'Euractinella belongs to Diplospirellinae'
  • 'Euroatrypa is a subjective synonym of Qilianotryma'
  • 'Eurycolporhynchus belongs to Petasmariidae'
  • 'Eurysites belongs to Cardinirhynchiinae'
  • 'Euxinella belongs to Cirpinae'
  • 'Evanescirostrum belongs to Leiorhynchinae'
  • 'Evanidisinurostrum belongs to Pugnacidae'
  • 'Evenkorhynchia belongs to Rostricellulinae'
  • 'Exatrypa was reranked as Spinatrypina (Exatrypa) and belongs to Spinatrypina'
  • 'Excavatorhynchia belongs to Austrirhynchidae'
  • 'Falsatrypa belongs to Invertininae'
  • 'Fascicosta belongs to Allorhynchidae'
  • 'Felinotoechia belongs to Fenestrirostrinae'
  • 'Fenestrirostra belongs to Fenestrirostrinae'
  • 'Fenestrirostrinae belongs to Leiorhynchidae'
  • 'Fenxiangella belongs to Clarkellidae'
  • 'Ferganella belongs to Machaerariidae'
  • 'Filiatrypa is a subjective synonym of Seratrypa'
  • 'Filigreenia belongs to Pugnacidae'
  • 'Fissirhynchia belongs to Cyclothyridinae'
  • 'Fitzroyella belongs to Uncinulidae'
  • 'Flabellirhynchia belongs to Cardinirhynchiinae'
  • 'Flabellulirostrum belongs to Uncinulidae'
  • 'Flexathyris is a subjective synonym of Lochengia'
  • 'Formosarhynchia is a subjective synonym of Cymatorhynchia'
  • 'Fortunella belongs to Basiliolinae'
  • 'Fossatrypa belongs to Punctatrypinae'
  • 'Frieleiidae belongs to Norelloidea'
  • 'Furcirhynchia belongs to Davanirhynchiinae'
  • 'Fusirhynchia belongs to Rhynchonellinae'
  • 'Gagriella belongs to Pamirorhynchiinae'
  • 'Galeatagypa belongs to Gypidulinae'
  • 'Galeatathyris belongs to Lochengiinae'
  • 'Galeatellina belongs to Mariannaellinae'
  • 'Gashaomiaoia belongs to Gypidulinae'
  • 'Gastrodetoechia belongs to Basilicorhynchinae'
  • 'Geniculigypa belongs to Geniculigypinae'
  • 'Geniculigypinae belongs to Gypidulidae'
  • 'Gerassimovia belongs to Allorhynchidae'
  • 'Gerrhynx belongs to Hebetoechiinae'
  • 'Gibbirhynchia belongs to Gibbirhynchiinae'
  • 'Gibbirhynchiinae belongs to Tetrarhynchiidae'
  • 'Gigantorhynchinae belongs to Leiorhynchidae'
  • 'Gigantorhynchus belongs to Gigantorhynchinae'
  • 'Gissarina belongs to Retziellidae'
  • 'Glassia belongs to Glassiidae'
  • 'Glassiidae belongs to Glassioidea'
  • 'Glassina belongs to Didymothyridinae'
  • 'Glassioidea belongs to Lissatrypidina'
  • 'Globatrypa is a subjective synonym of Atrypoidea'
  • 'Globirhynchia belongs to Cyclothyridinae'
  • 'Globulirhynchia belongs to Pugnacidae'
  • 'Glosshypothyridina belongs to Hypothyridinidae'
  • 'Glossinotoechia belongs to Glossinotoechiidae'
  • 'Glossinotoechiidae belongs to Uncinuloidea'
  • 'Glossinulina belongs to Glossinulininae'
  • 'Glossinulininae belongs to Hebetoechiidae'
  • 'Glossinulinirhynchia belongs to Glossinulininae'
  • 'Glossinulus belongs to Glossinotoechiidae'
  • 'Glyptogypa belongs to Conchidiellinae'
  • 'Glyptorhynchia is a nomen dubium'
  • 'Glyptotrophia belongs to Mesonomiinae'
  • 'Gnathorhynchia belongs to Diholkorhynchiinae'
  • 'Goleomixa belongs to Psilocamarinae'
  • 'Gonathyris belongs to Athyridinae'
  • 'Goniophoria belongs to Rhynchotetradinae'
  • 'Goniorhynchia belongs to Tetrarhynchiinae'
  • 'Gotatrypa belongs to Atrypinae'
  • 'Gracianella belongs to Atrypininae'
  • 'Gracilotoechia belongs to Ladogiidae'
  • 'Grammorhynchus belongs to Allorhynchidae'
  • 'Grandirhynchia belongs to Tetrarhynchiinae'
  • 'Granulirhynchia belongs to Cyclothyridinae'
  • 'Grasirhynchia belongs to Ivanoviellinae'
  • 'Grayina was reranked as Anastrophia (Grayina) and belongs to Anastrophia'
  • 'Greenfieldia belongs to Didymothyridinae'
  • 'Gruenewaldtia belongs to Palaferellidae'
  • 'Gruntallina belongs to Comelicaniinae'
  • 'Guaxa belongs to Pradoiinae'
  • 'Gypidula belongs to Gypidulinae'
  • 'Gypidulella belongs to Devonogypinae'
  • 'Gypidulidae belongs to Gypiduloidea'
  • 'Gypidulina belongs to Gypidulinae'
  • 'Gypidulinae belongs to Gypidulidae'
  • 'Gypiduloidea belongs to Pentameridina'
  • 'Gypiduloides belongs to Gypidulinae'
  • 'Hadrorhynchia belongs to Hadrorhynchiidae'
  • 'Hadrorhynchiidae belongs to Uncinuloidea'
  • 'Hadrotatorhynchus belongs to Leiorhynchinae'
  • 'Hadyrhyncha belongs to Rozmanariidae'
  • 'Hagabirhynchia belongs to Allorhynchidae'
  • 'Hallina is a subjective synonym of Anazyga'
  • 'Halorella belongs to Halorellidae'
  • 'Halorellidae belongs to Dimerelloidea'
  • 'Halorellina belongs to Cyclothyridinae'
  • 'Halorelloidea belongs to Halorellidae'
  • 'Hanusitrypa is a subjective synonym of Isospinatrypa'
  • 'Hanusitrypa hanusi is recombined as Isospinatrypa hanusi'
  • 'Harpidium belongs to Pentameridae'
  • 'Havlicekella belongs to Leiorhynchinae'
  • 'Hebetoechia belongs to Hebetoechiinae'
  • 'Hebetoechiidae belongs to Uncinuloidea'
  • 'Hebetoechiinae belongs to Hebetoechiidae'
  • 'Helenathyridinae belongs to Athyrididae'
  • 'Helenathyris belongs to Helenathyridinae'
  • 'Hemileurus belongs to Allorhynchidae'
  • 'Hemiplethorhynchus belongs to Ripidiorhynchinae'
  • 'Hemithirididae belongs to Hemithiridoidea'
  • 'Hemithiridoidea belongs to Rhynchonellida'
  • 'Hemithiris belongs to Hemithirididae'
  • 'Hemithyrididae is replaced by Hemithirididae'
  • 'Hemithyropsis belongs to Viarhynchiinae'
  • 'Hemitoechia belongs to Hemitoechiinae'
  • 'Hemitoechiinae belongs to Trigonirhynchiidae'
  • 'Herangirhynchia belongs to Rhynchonellinae'
  • 'Hercotrema belongs to Trigonirhynchiinae'
  • 'Hergetatrypa is a subjective synonym of Carinatrypa'
  • 'Hesperorhynchia belongs to Cyclothyridinae'
  • 'Hesperotrophia belongs to Syntrophopsinae'
  • 'Heteromychus belongs to Septirhynchiidae'
  • 'Himalairhynchia belongs to Ivanoviellinae'
  • 'Himathyris belongs to Cleiothyridininae'
  • 'Hindella belongs to Meristellinae'
  • 'Hircinisca was reranked as Septatrypa (Hircinisca) and belongs to Septatrypa'
  • 'Hiscobeccus belongs to Rhynchotrematinae'
  • 'Hispanirhynchia belongs to Hispanirhynchiinae'
  • 'Hispanirhynchiidae was reranked as the subfamily Hispanirhynchiinae and belongs to Frieleiidae'
  • 'Holcorhynchella belongs to Holcorhynchellinae'
  • 'Holcorhynchellinae belongs to Norellidae'
  • 'Holcorhynchia belongs to Diholkorhynchiinae'
  • 'Holorhynchus belongs to Virgianinae'
  • 'Holosia belongs to Strigirhynchiinae'
  • 'Holynatrypa belongs to Lissatrypidae'
  • 'Homaliarhynchia belongs to Monticlarellinae'
  • 'Homeocardiorhynchus belongs to Beckmanniinae'
  • 'Homoeorhynchia belongs to Rhynchonellinae'
  • 'Homeorhynchia is a misspelling of Homoeorhynchia'
  • 'Homoeospira belongs to Rhynchospirinidae'
  • 'Homoeospirella belongs to Rhynchospirinidae'
  • 'Hostimex belongs to Virginiatinae'
  • 'Huenella belongs to Huenellinae'
  • 'Huenellidae belongs to Porambonitoidea'
  • 'Huenellina belongs to Huenellinae'
  • 'Huenellinae belongs to Huenellidae'
  • 'Hungarispira belongs to Hungarispirinae'
  • 'Hungarispirinae belongs to Neoretziidae'
  • 'Hustedia belongs to Hustediinae'
  • 'Hustediinae belongs to Neoretziidae'
  • 'Hustedtiella belongs to Hustediinae'
  • 'Hyattidina belongs to Hyattidinidae'
  • 'Hyattidinidae is replaced by Hyattidinidae'
  • 'Hyattidininae was reranked as the family Hyattidinidae and belongs to Athyridoidea'
  • 'Hyborhynchella belongs to Leiorhynchinae'
  • 'Hybostenoscisma belongs to Psilocamarinae'
  • 'Hypoleiorhynchus is a nomen dubium'
  • 'Hyponeatrypa is a subjective synonym of Atryparia'
  • 'Hypothyridina belongs to Hypothyridinidae'
  • 'Hypothyridinidae belongs to Uncinuloidea'
  • 'Hypseloterorhynchus belongs to Pugnacidae'
  • 'Hypsiptycha belongs to Lepidocyclinae'
  • 'Iberirhynchia belongs to Trigonirhynchiinae'
  • 'Idiospira belongs to Idiospirinae'
  • 'Idiospirinae belongs to Septatrypidae'
  • 'Idiostrophia belongs to Camerellinae'
  • 'Jkella is a misspelling of Ikella'
  • 'Ikella belongs to Athyrisininae'
  • 'Iloerhynchus belongs to Leiorhynchinae'
  • 'Ilopsyrhynchus belongs to Leiorhynchinae'
  • 'Imacanthyris belongs to Athyridinae'
  • 'Imbricatia belongs to Tetralobulinae'
  • 'Imbricatospira is a subjective synonym of Plectatrypa'
  • 'Imdentistella belongs to Meristellinae'
  • 'Independatrypa was reranked as Desquamatia (Independatrypa) and belongs to Desquamatia'
  • 'Indorhynchia belongs to Indorhynchiinae'
  • 'Indorhynchiinae belongs to Cyclothyrididae'
  • 'Iniathyris belongs to Spirigerellinae'
  • 'Innaechia belongs to Innaechiinae'
  • 'Innaechiidae belongs to Uncinuloidea'
  • 'Innaechiinae belongs to Innaechiidae'
  • 'Innuitella belongs to Innuitellinae'
  • 'Innuitellinae belongs to Leiorhynchidae'
  • 'Insignitisinurostrum belongs to Platyterorhynchinae'
  • 'Invertina belongs to Invertininae'
  • 'Invertininae belongs to Atrypidae'
  • 'Invertrypa belongs to Spinatrypinae'
  • 'Iotina belongs to Petasmatheridae'
  • 'Iowarhynchinae belongs to Paranorellidae'
  • 'Iowarhynchus belongs to Iowarhynchinae'
  • 'Iowatrypa belongs to Pseudogruenewaldtiinae'
  • 'Ipherron belongs to Plectorhynchellinae'
  • 'Irgislella is a subjective synonym of Werneckeella'
  • 'Isjuminelina belongs to Rhynchonellida'
  • 'Isjuminella belongs to Isjuminellinae'
  • 'Isjuminellinae belongs to Tetrarhynchiidae'
  • 'Isopoma belongs to Aseptorhynchiidae'
  • 'Isospinatrypa belongs to Spinatrypinae'
  • 'Isovella was reranked as Harpidium (Isovella) and belongs to Harpidium'
  • 'Ivanoviella belongs to Ivanoviellinae'
  • 'Ivanoviellinae belongs to Rhynchonellidae'
  • 'Ivdelinella was reranked as Ivdelinia (Ivdelinella) and belongs to Ivdelinia'
  • 'Ivdelinia belongs to Ivdeliniinae'
  • 'Ivdeliniella belongs to Ivdeliniinae'
  • 'Ivdeliniinae belongs to Gypidulidae'
  • 'Janiceps belongs to Spirigerellinae'
  • 'Jarovathyris belongs to Didymothyridinae'
  • 'Johnsonathyris belongs to Athyridinae'
  • 'Johnsoniatrypa is a subjective synonym of Aulacatrypa'
  • 'Jolvia belongs to Pentameridae'
  • 'Joviatrypa belongs to Atrypinae'
  • 'Juxathyris is a subjective synonym of Spirigerella'
  • 'Kabanoviella belongs to Rhynchonellinae'
  • 'Kallirhynchia belongs to Kallirhynchiinae'
  • 'Kallirhynchiinae belongs to Tetrarhynchiidae'
  • 'Kaplicona is a subjective synonym of Carinatina'
  • 'Karakulina belongs to Camerellinae'
  • 'Karbous belongs to Glassiidae'
  • 'Karpinskia belongs to Karpinskiinae'
  • 'Karpinskiidae belongs to Palaferelloidea'
  • 'Karpinskiinae belongs to Karpinskiidae'
  • 'Katunia is corrected as Katuniella and belongs to Leiorhynchinae'
  • 'Kawhiarhynchia belongs to Acanthothiridinae'
  • 'Kayseria belongs to Kayseriidae'
  • 'Kayseriidae belongs to Anoplothecoidea'
  • 'Kericserella belongs to Norellinae'
  • 'Kerpina belongs to Invertininae'
  • 'Khodalevichia was reranked as Brooksina (Khodalevichia) and belongs to Brooksina'
  • 'Kholbotchonia belongs to Ancistrorhynchidae'
  • 'Kindleina belongs to Plectorhynchellinae'
  • 'Kirkidium belongs to Pentameridae'
  • 'Klukatrypa is a subjective synonym of Carinatina'
  • 'Koigia belongs to Whitfieldellinae'
  • 'Kokomerena belongs to Camerellinae'
  • 'Koninckella belongs to Koninckinidae'
  • 'Koninckina belongs to Koninckinidae'
  • 'Koninckinidae belongs to Koninckinoidea'
  • 'Koninckinidina belongs to Athyridida'
  • 'Koninckinoidea belongs to Koninckinidina'
  • 'Koninckodonta belongs to Koninckinidae'
  • 'Korjakirhynchia belongs to Tetrarhynchiinae'
  • 'Kotysex belongs to Phoenicitoechiidae'
  • 'Kozlenia belongs to Whitfieldellinae'
  • 'Kransia belongs to Betterbergiinae'
  • 'Kritorhynchia is a subjective synonym of Athyrisinoides'
  • 'Kulumbella belongs to Kulumbellinae'
  • 'Kulumbellinae belongs to Stricklandiidae'
  • 'Kutchirhynchia belongs to Kallirhynchiinae'
  • 'Kvesanirhynchia belongs to Pamirorhynchiinae'
  • 'Kwangsia is a subjective synonym of Athyrisina'
  • 'Kwangsirhynchus belongs to Pugnacidae'
  • 'Kyrtatrypa belongs to Atrypinae'
  • 'Lacunaerhynchia belongs to Cyclothyridinae'
  • 'Lacunosella belongs to Lacunosellinae'
  • 'Lacunosellinae belongs to Basiliolidae'
  • 'Ladogia belongs to Ladogiidae'
  • 'Ladogifornix belongs to Ladogiidae'
  • 'Ladogiidae belongs to Pugnacoidea'
  • 'Ladogilina belongs to Ladogiidae'
  • 'Ladogilinella is a subjective synonym of Ladogilina'
  • 'Ladogioides belongs to Yunnanellidae'
  • 'Laevicamera is replaced by Camerisma'
  • 'Laevigaterhynchia belongs to Rhynchonellinae'
  • 'Laevirhynchia belongs to Laevirhynchiidae'
  • 'Laevirhynchiidae was reranked as the subfamily Laevirhynchiinae and belongs to Norellidae'
  • 'Lambdarina belongs to Lambdarininae'
  • 'Lambdarinidae belongs to Lambdarinoidea'
  • 'Lambdarininae belongs to Lambdarinidae'
  • 'Lambdarinoidea belongs to Rhynchonellida'
  • 'Lamellaerhynchia belongs to Cyclothyridinae'
  • 'Lamelliconchidium belongs to Conchidiinae'
  • 'Lamellokoninckina belongs to Koninckinidae'
  • 'Lamellosathyris belongs to Athyridinae'
  • 'Lanceomyonia belongs to Hebetoechiinae'
  • 'Langkawia is a nomen dubium'
  • 'Laosia belongs to Rhynchonellida'
  • 'Lapradella belongs to Hebetoechiinae'
  • 'Lateralatirostrum belongs to Calvinariinae'
  • 'Latonotoechia belongs to Machaerariidae'
  • 'Leiorhynchidae belongs to Camarotoechioidea'
  • 'Leiorhynchinae belongs to Leiorhynchidae'
  • 'Leiorhynchoidea belongs to Petasmariidae'
  • 'Leiorhynchoides is a nomen dubium'
  • 'Leiorhynchus belongs to Leiorhynchinae'
  • 'Leiothycridina belongs to Cleiothyridininae'
  • 'Lenatoechia belongs to Hemitoechiinae'
  • 'Lepidocyclinae belongs to Rhynchotrematidae'
  • 'Lepidocycloides belongs to Rostricellulinae'
  • 'Lepidocyclus belongs to Lepidocyclinae'
  • 'Lepidorhynchia belongs to Cyclothyridinae'
  • 'Leptathyris belongs to Didymothyridinae'
  • 'Leptocaryorhynchus belongs to Leiorhynchinae'
  • 'Leptocoelia belongs to Leptocoeliidae'
  • 'Leptocoeliidae belongs to Rhynchotrematoidea'
  • 'Leptocoelina belongs to Leptocoeliidae'
  • 'Leptospira belongs to Rhynchospirinidae'
  • 'Lessinirhynchia belongs to Septirhynchiidae'
  • 'Leviconchidiella belongs to Conchidiellinae'
  • 'Levigatella belongs to Levigatellinae'
  • 'Levigatellinae belongs to Gypidulidae'
  • 'Levipugnax belongs to Rozmanariidae'
  • 'Levispira belongs to Lissatrypidae'
  • 'Libyaerhynchus belongs to Hemitoechiinae'
  • 'Lichnatrypa is a subjective synonym of Variatrypa'
  • 'Limbatrypa belongs to Atrypinellinae'
  • 'Limstrophina belongs to Parallelelasmatidae'
  • 'Lingatrypa is a subjective synonym of Atrypoidea'
  • 'Linguopugnoides belongs to Linguopugnoidinae'
  • 'Linguopugnoidinae belongs to Camarotoechiidae'
  • 'Linterella is a subjective synonym of Hemitoechia'
  • 'Linxiangxiella is a nomen dubium'
  • 'Liocoelia belongs to Camarophorellinae'
  • 'Liostrophia belongs to Parastrophinidae'
  • 'Lirellaria belongs to Pontisiinae'
  • 'Lirellarina belongs to Striirhynchiinae'
  • 'Liricamera belongs to Camerellinae'
  • 'Lissatrypa belongs to Lissatrypidae'
  • 'Lissatrypella was reranked as Atrypoidea (Lissatrypella) and belongs to Atrypoidea'
  • 'Lissatrypidae belongs to Lissatrypoidea'
  • 'Lissatrypidina belongs to Atrypida'
  • 'Lissatrypoidea is a subjective synonym of Lissatrypa'
  • 'Lissatrypoidea belongs to Lissatrypidina'
  • 'Lissella belongs to Wellerellinae'
  • 'Lissidium belongs to Conchidiinae'
  • 'Lissocoelina belongs to Pentameridae'
  • 'Lissopleura belongs to Trigonirhynchiinae'
  • 'Lissorhynchia belongs to Pontisiinae'
  • 'Lixatrypa is a subjective synonym of Desatrypa'
  • 'Llanoella belongs to Camerellinae'
  • 'Loborina belongs to Loborininae'
  • 'Loborininae belongs to Lambdarinidae'
  • 'Lochengia belongs to Lochengiinae'
  • 'Lochengiinae belongs to Athyrididae'
  • 'Loilemia is a subjective synonym of Lissatrypa'
  • 'Lokutella belongs to Prionorhynchiidae'
  • 'Longdongshuia belongs to Pugnacidae'
  • 'Longxianirhynchia is a subjective synonym of Rostricellula'
  • 'Lorangerella belongs to Hypothyridinidae'
  • 'Losvia belongs to Hemitoechiinae'
  • 'Lotharingella belongs to Ivanoviellinae'
  • 'Lunaria is corrected as Lunarhynchia and belongs to Rhynchonellinae'
  • 'Luterella belongs to Hemitoechiinae'
  • 'Lysidium is a subjective synonym of Gashaomiaoia'
  • 'Lysigypa belongs to Gypidulinae'
  • 'Machaeraria belongs to Machaerariidae'
  • 'Machaerariidae belongs to Rhynchotrematoidea'
  • 'Machaeratoechia belongs to Machaerariidae'
  • 'Macropotamorhynchus belongs to Trigonirhynchiinae'
  • 'Madarosia belongs to Madarosiinae'
  • 'Madarosiinae belongs to Wellerellidae'
  • 'Majkopella belongs to Clavigerinae'
  • 'Makridinirhynchia is a subjective synonym of Tetrarhynchia'
  • 'Malwirhynchia belongs to Ivanoviellinae'
  • 'Manespira belongs to Protozygidae'
  • 'Mangkeluia belongs to Carinatinidae'
  • 'Maorirhynchia belongs to Allorhynchidae'
  • 'Mariannaella belongs to Mariannaellinae'
  • 'Mariannaellinae belongs to Virgianidae'
  • 'Markitoechia belongs to Uncinulidae'
  • 'Maxillirhynchia belongs to Diholkorhynchiinae'
  • 'Maydenella belongs to Parastrophinidae'
  • 'Mediterranirhynchia is a subjective synonym of Rudirhynchia'
  • 'Megalopterorhynchus belongs to Petasmariidae'
  • 'Megaplectatrypa is a subjective synonym of Mimatrypa'
  • 'Megumatrypa is a subjective synonym of Zygospiraella'
  • 'Meifodia belongs to Lissatrypidae'
  • 'Merista belongs to Meristinae'
  • 'Meristella belongs to Meristellinae'
  • 'Meristellidae belongs to Meristelloidea'
  • 'Meristellinae belongs to Meristellidae'
  • 'Meristelloidea belongs to Athyrididina'
  • 'Meristelloides belongs to Meristellinae'
  • 'Meristidae belongs to Meristelloidea'
  • 'Meristina belongs to Meristellinae'
  • 'Meristinae belongs to Meristidae'
  • 'Meristospira belongs to Athyridinae'
  • 'Mesonomia belongs to Mesonomiinae'
  • 'Mesonomiinae belongs to Huenellidae'
  • 'Metabolipa is a subjective synonym of Gypidula'
  • 'Metacamarella belongs to Parallelelasmatidae'
  • 'Metathyrisina belongs to Retziellidae'
  • 'Miaohuangrhynchus is a nomen dubium'
  • 'Microcardinalia belongs to Kulumbellinae'
  • 'Microrhynchia belongs to Ivanoviellinae'
  • 'Microsphaeridiorhynchus belongs to Trigonirhynchiinae'
  • 'Minatrypa is a misspelling of Mimatrypa'
  • 'Mimatrypa belongs to Karpinskiinae'
  • 'Minirostrella belongs to Basilicorhynchinae'
  • 'Minutulirhynchia belongs to Ivanoviellinae'
  • 'Minysphenia belongs to Minyspheniinae'
  • 'Minyspheniinae belongs to Lambdarinidae'
  • 'Misolia belongs to Misoliinae'
  • 'Misoliinae belongs to Diplospirellidae'
  • 'Mogoktella belongs to Mesonomiinae'
  • 'Mogoliella belongs to Carinatinidae'
  • 'Moisseievia belongs to Cirpinae'
  • 'Molongia belongs to Retziellidae'
  • 'Monadotoechia belongs to Septalariidae'
  • 'Mongolirhynchia is a nomen dubium'
  • 'Mongolorhynx belongs to Hebetoechiinae'
  • 'Mongolospira belongs to Mongolospiridae'
  • 'Mongolospiridae belongs to Mongolospiroidea'
  • 'Mongolospiroidea belongs to Retziidina'
  • 'Monticlarella belongs to Monticlarellinae'
  • 'Monticlarellinae belongs to Norellidae'
  • 'Moorefieldella belongs to Trigonirhynchiinae'
  • 'Moquellina belongs to Indorhynchiinae'
  • 'Morphorhynchus belongs to Trigonirhynchiinae'
  • 'Mosquella belongs to Isjuminellinae'
  • 'Multicorhynchia belongs to Triasorhynchiidae'
  • 'Munieratrypa is a subjective synonym of Undatrypa'
  • 'Murihikurhynchia belongs to Nucleusorhynchiinae'
  • 'Myopugnax belongs to Wellerellinae'
  • 'Myrmirhynx belongs to Trigonirhynchiinae'
  • 'Nalivkinaria belongs to Betterbergiinae'
  • 'Nalivkinia belongs to Clintonellinae'
  • 'Nanatrypa belongs to Glassiidae'
  • 'Nannirhynchia belongs to Laevirhynchiidae'
  • 'Nanospira is a subjective synonym of Lissatrypa'
  • 'Nanukidium belongs to Pentameridae'
  • 'Nasonirhynchia belongs to Trigonirhynchiinae'
  • 'Nastosia belongs to Gibbirhynchiinae'
  • 'Navispira belongs to Coelospirinae'
  • 'Nayunnella belongs to Yunnanellidae'
  • 'Neatrypa is a subjective synonym of Devonatrypa'
  • 'Neimongolella is a nomen dubium'
  • 'Nekhoroshevia belongs to Trigonirhynchiinae'
  • 'Nemesa belongs to Septalariidae'
  • 'Neocirpa belongs to Striirhynchiinae'
  • 'Neocoelia belongs to Anoplothecoidea'
  • 'Neofascicosta belongs to Allorhynchidae'
  • 'Neokarpinskia belongs to Karpinskiinae'
  • 'Neometabolipa is a subjective synonym of Gypidula'
  • 'Neoretzia belongs to Neoretziinae'
  • 'Neoretziidae belongs to Retzioidea'
  • 'Neoretziinae belongs to Neoretziidae'
  • 'Neorhynchula is a subjective synonym of Eospirigerina'
  • 'Neospirigerina belongs to Spirigerininae'
  • 'Neostrophia belongs to Camerellinae'
  • 'Neowellerella is a subjective synonym of Lissorhynchia'
  • 'Nepasitoechia belongs to Rhynchotetradinae'
  • 'Nikolaevirhynchus belongs to Ancistrorhynchidae'
  • 'Ningbingella belongs to Pugnacidae'
  • 'Niorhynicidae belongs to Ancistrorhynchoidea'
  • 'Niorhynx belongs to Niorhynicidae'
  • 'Nipponirhynchia belongs to Nipponirhynchiinae'
  • 'Nipponirhynchiinae belongs to Wellerellidae'
  • 'Noetlingia was reranked as Porambonites (Noetlingia) and belongs to Porambonites'
  • 'Nordathyris belongs to Spirigerellinae'
  • 'Nordotoechia belongs to Glossinulininae'
  • 'Norella belongs to Norellinae'
  • 'Norellidae belongs to Norelloidea'
  • 'Norellinae belongs to Norellidae'
  • 'Norelloidea belongs to Rhynchonellida'
  • 'Notoconchidium belongs to Sphaerirhynchiinae'
  • 'Notosaria belongs to Notosariidae'
  • 'Notosariidae belongs to Hemithiridoidea'
  • 'Novozemelia belongs to Gypidulinae'
  • 'Nucleospira belongs to Nucleospiridae'
  • 'Nucleospiridae belongs to Nucleospiroidea'
  • 'Nucleospiroidea belongs to Athyrididina'
  • 'Nucleusorhynchia belongs to Nucleusorhynchiinae'
  • 'Nucleusorhynchiinae belongs to Rhynchonellidae'
  • 'Nudirostra is an objective synonym of Leiorhynchus'
  • 'Nudirostralina belongs to Rhynchonellinae'
  • 'Nuria is a subjective synonym of Anazyga'
  • 'Nyalamurhynchia is a subjective synonym of Lacunaerhynchia'
  • 'Nyege belongs to Plectorhynchellinae'
  • 'Nymphorhynchia belongs to Hemitoechiinae'
  • 'Obscurella belongs to Ancistrorhynchidae'
  • 'Obsoletirhynchia belongs to Kallirhynchiinae'
  • 'Obturamentella belongs to Obturamentellidae'
  • 'Obturamentellidae belongs to Uncinuloidea'
  • 'Ochotathyridinae belongs to Diplospirellidae'
  • 'Ochotathyris belongs to Ochotathyridinae'
  • 'Ochotorhynchia belongs to Ochotorhynchiidae'
  • 'Ochotorhynchiidae belongs to Norelloidea'
  • 'Ogilviella belongs to Spirigerininae'
  • 'Oglu belongs to Spinatrypinae'
  • 'Oglupes belongs to Atrypinae'
  • 'Oligoptycherhynchus belongs to Trigonirhynchiinae'
  • 'Oligorhynchia belongs to Oligorhynchiidae'
  • 'Oligorhynchiidae belongs to Ancistrorhynchoidea'
  • 'Omnutakhella belongs to Atrypinae'
  • 'Omolonella belongs to Uralorhynchiinae'
  • 'Onugorhynchia belongs to Septalariidae'
  • 'Orbiculatisinurostrum belongs to Leiorhynchinae'
  • 'Orbirhynchia belongs to Pamirorhynchiinae'
  • 'Oriensellina belongs to Monticlarellinae'
  • 'Orlovirhynchia belongs to Tetrarhynchiinae'
  • 'Orthocarina is a subjective synonym of Qilianotryma'
  • 'Orthorhynchula belongs to Orthorhynchulidae'
  • 'Orthorhynchulidae belongs to Rhynchotrematoidea'
  • 'Orthorhynchuloides belongs to Orthorhynchulidae'
  • 'Osmarella belongs to Monticlarellinae'
  • 'Otarorhyncha belongs to Rhynchotrematinae'
  • 'Ovalospira is a subjective synonym of Sulcatospira'
  • 'Ovlatchania belongs to Petasmariidae'
  • 'Owenirhynchia belongs to Cyclothyridinae'
  • 'Oxycolpella belongs to Clavigerinae'
  • 'Oxypleurorhynchia belongs to Trigonirhynchiinae'
  • 'Pachancorhynchia belongs to Fenestrirostrinae'
  • 'Pachyplax belongs to Athyridinae'
  • 'Pacificocoelia belongs to Leptocoeliidae'
  • 'Palaeostrophia belongs to Syntrophopsinae'
  • 'Palaferellidae belongs to Palaferelloidea'
  • 'Palaferelloidea belongs to Davidsoniidina'
  • 'Pamirorhynchia belongs to Pamirorhynchiinae'
  • 'Pamirorhynchiinae belongs to Basiliolidae'
  • 'Pammegetherhynchus belongs to Pugnacidae'
  • 'Pampoecilorhynchus belongs to Hemitoechiinae'
  • 'Paraacanthothyris belongs to Acanthothiridinae'
  • 'Paraglossinulus belongs to Uncinulidae'
  • 'Parakarpinskia is a subjective synonym of Neokarpinskia'
  • 'Parallelelasma is a subjective synonym of Metacamarella'
  • 'Parallelelasmatidae belongs to Camerelloidea'
  • 'Paramerista is a subjective synonym of Tyrganiella'
  • 'Paranorella belongs to Paranorellinae'
  • 'Paranorellidae belongs to Pugnacoidea'
  • 'Paranorellina belongs to Paranorellininae'
  • 'Paranorellinae belongs to Paranorellidae'
  • 'Paranorellininae belongs to Norellidae'
  • 'Paranudirostralina belongs to Piarorhynchiinae'
  • 'Paraoligorhyncha belongs to Oligorhynchiidae'
  • 'Paraphorhynchus belongs to Axiodeaneiinae'
  • 'Parapugnax belongs to Pugnacidae'
  • 'Pararhactorhynchia belongs to Cyclothyridinae'
  • 'Pararhipidium was reranked as Rhipidium (Pararhipidium) and belongs to Rhipidium'
  • 'Parastrophina belongs to Parastrophinidae'
  • 'Parastrophinella belongs to Parastrophinidae'
  • 'Parastrophinidae belongs to Camerelloidea'
  • 'Paratetratomia is a nomen dubium'
  • 'Parathyrisina belongs to Athyrisininae'
  • 'Paratribonium belongs to Proatriboniinae'
  • 'Parazyga belongs to Parazygidae'
  • 'Parazygidae belongs to Rhynchospirinoidea'
  • 'Parmula belongs to Lissatrypidae'
  • 'Paromoeopygma belongs to Pugnacidae'
  • 'Parthirhynchia belongs to Pamirorhynchiinae'
  • 'Parvaltissimarostrum belongs to Petasmariidae'
  • 'Parvirhynchia belongs to Cardinirhynchiinae'
  • 'Paryphorhynchopora is a nomen dubium'
  • 'Patagorhynchia belongs to Hemithirididae'
  • 'Paurogastroderhynchus belongs to Hemitoechiinae'
  • 'Paurorhyncha belongs to Leiorhynchinae'
  • 'Payuella is a nomen dubium'
  • 'Pectenospira belongs to Spirigerininae'
  • 'Pectenospirinae is a subjective synonym of Spirigerininae'
  • 'Pectorhyncha belongs to Obturamentellidae'
  • 'Peetzatrypa is a subjective synonym of Variatrypa'
  • 'Pegmarhynchia belongs to Eatoniidae'
  • 'Pentactinella belongs to Misoliinae'
  • 'Pentagonia belongs to Meristellinae'
  • 'Pentameracea is replaced by Pentameroidea'
  • 'Pentamerella belongs to Pentamerellinae'
  • 'Pentamerellinae belongs to Clorindidae'
  • 'Pentamerida belongs to Rhynchonellata'
  • 'Pentameridae belongs to Pentameroidea'
  • 'Pentameridina belongs to Pentamerida'
  • 'Pentamerifera belongs to Pentameridae'
  • 'Pentameroidea belongs to Pentameridina'
  • 'Pentameroides belongs to Pentameridae'
  • 'Pentamerus belongs to Pentameridae'
  • 'Pentlandella belongs to Catazyginae'
  • 'Perakia is a nomen dubium'
  • 'Peratos belongs to Glassiidae'
  • 'Peregrinella belongs to Peregrinellinae'
  • 'Peregrinellidae belongs to Dimerelloidea'
  • 'Peregrinellina was reranked as Peregrinella (Peregrinellina) and belongs to Peregrinella'
  • 'Peregrinellinae belongs to Peregrinellidae'
  • 'Peregrinelloidea belongs to Peregrinelloideidae'
  • 'Peregrinelloideidae was reranked as the subfamily Peregrinelloideinae and belongs to Peregrinellidae'
  • 'Perimecocoelia belongs to Camerellinae'
  • 'Perrarisinurostrum belongs to Pugnacidae'
  • 'Peshiatrypa is a subjective synonym of Desquamatia'
  • 'Pesterevatrypa is a subjective synonym of Variatrypa'
  • 'Petasmaria belongs to Petasmariidae'
  • 'Petasmariidae belongs to Pugnacoidea'
  • 'Petasmatheridae belongs to Wellerelloidea'
  • 'Petasmatherus belongs to Petasmatheridae'
  • 'Pexidella belongs to Diplospirellinae'
  • 'Phapsirhynchia belongs to Aphelesiinae'
  • 'Phlogoiderhynchus belongs to Septalariidae'
  • 'Phoenicitoechia belongs to Phoenicitoechiidae'
  • 'Phoenicitoechiidae belongs to Rhynchotrematoidea'
  • 'Phrenophoria belongs to Wellerellinae'
  • 'Physemella belongs to Gypidulinae'
  • 'Physetorhyncha is a subjective synonym of Pugnax'
  • 'Piarorhynchella belongs to Holcorhynchellinae'
  • 'Piarorhynchia belongs to Piarorhynchiinae'
  • 'Piarorhynchiinae belongs to Rhynchonellidae'
  • 'Pinegathyris belongs to Cleiothyridininae'
  • 'Pinguaella was reranked as Kirkidium (Pinguaella) and belongs to Kirkidium'
  • 'Pisirhynchia belongs to Norellinae'
  • 'Plagiorhyncha belongs to Eatoniidae'
  • 'Planalvus belongs to Spirigerellinae'
  • 'Planatrypa was reranked as Atrypa (Planatrypa) and belongs to Atrypa'
  • 'Plancella belongs to Meristellinae'
  • 'Planirhynchia belongs to Rhynchonellinae'
  • 'Planovatirostrum belongs to Rozmanariidae'
  • 'Platyglossariorhynchus is a nomen dubium'
  • 'Platyterorhynchinae belongs to Leiorhynchidae'
  • 'Platyterorhynchus belongs to Platyterorhynchinae'
  • 'Plectatrypinae belongs to Atrypinidae'
  • 'Plectocamara belongs to Camerellinae'
  • 'Plectorhynchella belongs to Plectorhynchellinae'
  • 'Plectorhynchellidae belongs to Pugnacoidea'
  • 'Plectorhynchellinae belongs to Plectorhynchellidae'
  • 'Plectospira belongs to Plectospirinae'
  • 'Plectospirinae belongs to Neoretziidae'
  • 'Plectosyntrophia belongs to Camerellinae'
  • 'Plectothyrella belongs to Rostricellulinae'
  • 'Plectotrophia belongs to Syntrophopsinae'
  • 'Pleiopleurina belongs to Eatoniidae'
  • 'Plekonella belongs to Wellerellinae'
  • 'Plekonina is a nomen dubium'
  • 'Plesicarinatina belongs to Carinatinidae'
  • 'Plethorhyncha belongs to Uncinulidae'
  • 'Pleurocornu belongs to Rhynchotrematinae'
  • 'Pleurodiinae belongs to Virgianidae'
  • 'Pleurodium belongs to Pleurodiinae'
  • 'Pleuropugnoides belongs to Pugnacidae'
  • 'Plicarostrum belongs to Cyclothyridinae'
  • 'Plicathyridinae belongs to Athyrididae'
  • 'Plicathyris belongs to Plicathyridinae'
  • 'Plicidium belongs to Pleurodiinae'
  • 'Plicirhynchia belongs to Notosariidae'
  • 'Plicocoelina belongs to Conchidiinae'
  • 'Plicogypa belongs to Gypidulinae'
  • 'Plicostricklandia belongs to Kulumbellinae'
  • 'Plionoptycherhynchus belongs to Calvinariinae'
  • 'Pontaltorhynchia belongs to Tetrarhynchiinae'
  • 'Pontisia belongs to Pontisiinae'
  • 'Pontisiidae belongs to Wellerelloidea'
  • 'Pontisiinae belongs to Pontisiidae'
  • 'Porambonites belongs to Porambonitidae'
  • 'Porambonitidae belongs to Porambonitoidea'
  • 'Porambonitoidea belongs to Syntrophiidina'
  • 'Porambonitoides is a subjective synonym of Pseudoporambonites'
  • 'Porostictia belongs to Petasmariidae'
  • 'Posicomta belongs to Spirigerellinae'
  • 'Pradoia belongs to Pradoiinae'
  • 'Pradoiinae belongs to Athyrididae'
  • 'Praecyclothyris is a subjective synonym of Septaliphoria'
  • 'Praegnantenia belongs to Phoenicitoechiidae'
  • 'Praelacunosella was reranked as Stolmorhynchia (Praelacunosella) and belongs to Stolmorhynchia'
  • 'Praemonticlarella belongs to Praemonticlarellinae'
  • 'Praemonticlarellinae belongs to Norellidae'
  • 'Prelissorhynchia belongs to Pontisiinae'
  • 'Primipilaria belongs to Betterbergiinae'
  • 'Prionorhynchia belongs to Prionorhynchiidae'
  • 'Prionorhynchiidae belongs to Rhynchotetradoidea'
  • 'Proatriboniinae belongs to Stenoscismatidae'
  • 'Proatribonium belongs to Proatriboniinae'
  • 'Probolarina belongs to Basiliolinae'
  • 'Procarinatina belongs to Atrypinae'
  • 'Procerulina is a subjective synonym of Ivdelinia'
  • 'Proconchidium belongs to Virgianinae'
  • 'Prodavidsonia belongs to Davidsoniidae'
  • 'Properotundirostrum belongs to Leiorhynchinae'
  • 'Propriopugnus belongs to Pugnacidae'
  • 'Prostricklandia belongs to Virgianinae'
  • 'Protathyris belongs to Athyridinae'
  • 'Protathyrisina is a subjective synonym of Retziella'
  • 'Protatrypa belongs to Atrypinae'
  • 'Protegulorhynchia belongs to Notosariidae'
  • 'Proteorhynchia belongs to Cyclothyridinae'
  • 'Protorhyncha is a nomen dubium'
  • 'Protozeuga belongs to Dayiidae'
  • 'Protozyga belongs to Protozygidae'
  • 'Protozygidae belongs to Protozygoidea'
  • 'Protozygoidea belongs to Lissatrypidina'
  • 'Pseudoatrypa belongs to Variatrypinae'
  • 'Pseudocamarophoria belongs to Septalariidae'
  • 'Pseudocamarotoechia is a subjective synonym of Hemitoechia'
  • 'Pseudocamarotoechia nuculaeformis is recombined as Hemitoechia nuculaeformis'
  • 'Pseudoconchidium belongs to Virgianinae'
  • 'Pseudogibbirhynchia belongs to Pamirorhynchiinae'
  • 'Pseudoglossinotoechia belongs to Glossinulininae'
  • 'Pseudogruenewaldtia belongs to Pseudogruenewaldtiinae'
  • 'Pseudogruenewaldtiinae belongs to Atrypidae'
  • 'Pseudohalorella belongs to Praemonticlarellinae'
  • 'Pseudohomeospira belongs to Athyrisininae'
  • 'Pseudomeristina belongs to Meristellinae'
  • 'Pseudomonticlarella belongs to Praemonticlarellinae'
  • 'Pseudoparazyga belongs to Rhynchospirinidae'
  • 'Pseudopentagonia belongs to Spirigerellinae'
  • 'Pseudoporambonites belongs to Punctolirinae'
  • 'Pseudoprotathyris belongs to Didymothyridinae'
  • 'Pseudopugnax is a nomen dubium'
  • 'Pseudosieberella belongs to Devonogypinae'
  • 'Pseudosinotectirostrum belongs to Ripidiorhynchinae'
  • 'Pseudouncinulus belongs to Hypothyridinidae'
  • 'Pseudowellerella belongs to Allorhynchidae'
  • 'Pseudoyunnanella belongs to Plectorhynchellinae'
  • 'Psilocamara belongs to Psilocamarinae'
  • 'Psilocamaridae belongs to Stenoscismatoidea'
  • 'Psilocamarinae belongs to Psilocamaridae'
  • 'Psilocamerella belongs to Camerellinae'
  • 'Ptilorhynchia belongs to Piarorhynchiinae'
  • 'Ptilotorhynchus belongs to Allorhynchidae'
  • 'Ptychomaletoechia belongs to Hemitoechiinae'
  • 'Ptyctorhynchia belongs to Ivanoviellinae'
  • 'Ptygmactrum belongs to Petasmatheridae'
  • 'Puanatrypa is a subjective synonym of Independatrypa'
  • 'Pugnacidae belongs to Pugnacoidea'
  • 'Pugnacoidea belongs to Rhynchonellida'
  • 'Pugnaria belongs to Rozmanariidae'
  • 'Pugnax belongs to Pugnacidae'
  • 'Pugnoides belongs to Petasmariidae'
  • 'Punctatrypa belongs to Punctatrypinae'
  • 'Punctatrypidae belongs to Punctatrypoidea'
  • 'Punctatrypinae belongs to Punctatrypidae'
  • 'Punctatrypoidea belongs to Atrypidina'
  • 'Punctolira belongs to Punctolirinae'
  • 'Punctolirinae belongs to Tetralobulidae'
  • 'Punctspinatrypa belongs to Spinatrypinae'
  • 'Pusillagutta is a subjective synonym of Zygospira'
  • 'Pycnoria belongs to Tetrarhynchiinae'
  • 'Pygmaella belongs to Pygmaellinae'
  • 'Pygmaellinae belongs to Plectorhynchellidae'
  • 'Qilianoconcha belongs to Paranorellininae'
  • 'Qilianotrypa is a misspelling of Qilianotryma'
  • 'Qilianotryma belongs to Spirigerininae'
  • 'Qingthyris belongs to Ochotathyridinae'
  • 'Qinlingia belongs to Retziellidae'
  • 'Quinlingia is a misspelling of Qinlingia'
  • 'Qinlingotoechia is a subjective synonym of Machaeraria'
  • 'Quadratirhynchia belongs to Tetrarhynchiinae'
  • 'Quadriloba belongs to Pradoiinae'
  • 'Quangyuania was reranked as Gracianella (Guangyuania) and belongs to Gracianella'
  • 'Quasidavidsonia is a subjective synonym of Prodavidsonia'
  • 'Rackirhynchia belongs to Rozmanariidae'
  • 'Radiatrypa belongs to Variatrypinae'
  • 'Radimatrypa belongs to Lissatrypidae'
  • 'Rahouiarhynchia belongs to Pamirorhynchiinae'
  • 'Raridium belongs to Conchidiinae'
  • 'Rawdonia belongs to Cleiothyridininae'
  • 'Rectambitus belongs to Spirigerellinae'
  • 'Rectigypidula is a subjective synonym of Gashaomiaoia'
  • 'Rectirhynchia belongs to Norellinae'
  • 'Rectotrophia belongs to Huenellinae'
  • 'Remnevitoechia belongs to Uncinulidae'
  • 'Reticulatrypa belongs to Atrypinellinae'
  • 'Retzia belongs to Retziidae'
  • 'Retziacea is replaced by Retzioidea'
  • 'Retziella belongs to Retziellidae'
  • 'Retziellidae belongs to Retzielloidea'
  • 'Retzielloidea belongs to Athyrididina'
  • 'Retziidae belongs to Retzioidea'
  • 'Retziidina belongs to Athyridida'
  • 'Retzioidea belongs to Retziidina'
  • 'Rhactorhynchia belongs to Kallirhynchiinae'
  • 'Rhipidium belongs to Pentameridae'
  • 'Rhynchonella belongs to Rhynchonellinae'
  • 'Rhynchonella (Stegerhynchus) was reranked as Stegerhynchus and belongs to Rhynchotrematinae'
  • 'Rhynchonella hanburyi is recombined as Yunnanella hanburii'
  • 'Rhynchonella saffordi is recombined as Wilsoniella saffordi'
  • 'Rhynchonellacea is replaced by Rhynchonelloidea'
  • 'Rhynchonellidae belongs to Rhynchonelloidea'
  • 'Rhynchonellina belongs to Rhynchonellininae'
  • 'Rhynchonellinae belongs to Rhynchonellidae'
  • 'Rhynchonellininae belongs to Dimerellidae'
  • 'Rhynchonelloidea belongs to Rhynchonellida'
  • 'Rhynchonelloidea belongs to Rhynchonellinae'
  • 'Rhynchonelloidella belongs to Ivanoviellinae'
  • 'Rhynchopora belongs to Rhynchoporinae'
  • 'Rhynchoporidae belongs to Rhynchoporoidea'
  • 'Rhynchoporinae belongs to Rhynchoporidae'
  • 'Rhynchoporoidea belongs to Rhynchonellida'
  • 'Rhynchospirina belongs to Rhynchospirinidae'
  • 'Rhynchospirinidae belongs to Rhynchospirinoidea'
  • 'Rhynchospirinoidea belongs to Retziidina'
  • 'Rhynchotetra belongs to Rhynchotetradinae'
  • 'Rhynchotetradidae belongs to Rhynchotetradoidea'
  • 'Rhynchotetradinae belongs to Rhynchotetradidae'
  • 'Rhynchotetradoidea belongs to Rhynchonellida'
  • 'Rhynchotrema belongs to Rhynchotrematinae'
  • 'Rhynchotrematidae belongs to Rhynchotrematoidea'
  • 'Rhynchotrematinae belongs to Rhynchotrematidae'
  • 'Rhynchotrematoidea belongs to Rhynchonellida'
  • 'Rhynchotreta belongs to Virginiatinae'
  • 'Rhynchotretaoides is a nomen dubium'
  • 'Rhynchotretina is a nomen dubium'
  • 'Rhynoleichus belongs to Petasmariidae'
  • 'Rhyselasma belongs to Xenelasmatinae'
  • 'Rhysostrophia belongs to Syntrophopsinae'
  • 'Rhytidorhachis belongs to Lepidocyclinae'
  • 'Rhytirhynchia belongs to Basiliolinae'
  • 'Rimirhynchia belongs to Davanirhynchiinae'
  • 'Rimirhynchopsis belongs to Davanirhynchiinae'
  • 'Rionirhynchia belongs to Basiliolinae'
  • 'Riorhynchia belongs to Pamirorhynchiinae'
  • 'Ripidiorhynchinae belongs to Trigonirhynchiidae'
  • 'Ripidiorhynchus belongs to Ripidiorhynchinae'
  • 'Robinsonella belongs to Cirpinae'
  • 'Robustirhynchia belongs to Tetrarhynchiinae'
  • 'Rochatorhynchia belongs to Ivanoviellinae'
  • 'Rosella belongs to Xenelasmatinae'
  • 'Rossirhynchus belongs to Leiorhynchinae'
  • 'Rostricellula belongs to Rostricellulinae'
  • 'Rostricellulinae belongs to Trigonirhynchiidae'
  • 'Rostrirhynchia was reranked as Tetrarhynchia (Rostrirhynchia) and belongs to Tetrarhynchia'
  • 'Rostrospiracea is replaced by Athyridoidea'
  • 'Rotaia belongs to Tetracameridae'
  • 'Rowleyella belongs to Rowleyellinae'
  • 'Rowleyellinae belongs to Meristidae'
  • 'Rozmanaria belongs to Rozmanariidae'
  • 'Rozmanariidae belongs to Pugnacoidea'
  • 'Rozmanospira belongs to Cyclospiridae'
  • 'Rudirhynchia belongs to Cyclothyridinae'
  • 'Rugaltarostrum belongs to Basilicorhynchinae'
  • 'Rugodavidsonia belongs to Davidsoniidae'
  • 'Rugolepyros belongs to Aenigmastrophiidae'
  • 'Rugosatrypa belongs to Atrypinae'
  • 'Rugostrophia belongs to Punctolirinae'
  • 'Russirhynchia belongs to Isjuminellinae'
  • 'Rutorhynchia belongs to Piarorhynchiinae'
  • 'Ryocarhynchus belongs to Leiorhynchinae'
  • 'Rzonsnickiana belongs to Septalariidae'
  • 'Saccorhynchia belongs to Bilaminellinae'
  • 'Sacothyropsis belongs to Rhynchonellida'
  • 'Sagueresia belongs to Septalariidae'
  • 'Sakawairhynchia belongs to Piarorhynchiinae'
  • 'Salairella is a subjective synonym of Catazyga'
  • 'Salairina is a subjective synonym of Carinatina'
  • 'Salairotoechia is a nomen dubium'
  • 'Salgirella belongs to Cirpinae'
  • 'Salonia belongs to Parallelelasmatidae'
  • 'Sanjuania belongs to Paranorellinae'
  • 'Sardorhynchia is a subjective synonym of Isjuminella'
  • 'Savageina is a subjective synonym of Anastrophia'
  • 'Scalpellirhynchia belongs to Praemonticlarellinae'
  • 'Schachriomonia belongs to Spirigerininae'
  • 'Schegultania belongs to Gypidulidae'
  • 'Schizoria belongs to Gibbirhynchiinae'
  • 'Schizostrophina belongs to Parallelelasmatidae'
  • 'Schnurella belongs to Yunnanellidae'
  • 'Schwagerispira belongs to Hustediinae'
  • 'Sedenticellula belongs to Stenoscismatinae'
  • 'Selennjachia belongs to Vladimirirhynchinae'
  • 'Semiotoechia belongs to Ladogiidae'
  • 'Septacamarella belongs to Cyrolexinae'
  • 'Septalaria belongs to Septalariidae'
  • 'Septalariidae belongs to Camarotoechioidea'
  • 'Septalariopsis belongs to Septalariidae'
  • 'Septaliphoria belongs to Cyclothyridinae'
  • 'Septaliphorioidea belongs to Allorhynchidae'
  • 'Septamphiclina belongs to Koninckinidae'
  • 'Septathyridinae belongs to Triathyrididae'
  • 'Septathyris belongs to Septathyridinae'
  • 'Septatoechia belongs to Viarhynchiinae'
  • 'Septatrypa belongs to Septatrypinae'
  • 'Septatrypidae belongs to Lissatrypoidea'
  • 'Septatrypinae belongs to Septatrypidae'
  • 'Septemirostellum is a subjective synonym of Rossirhynchus'
  • 'Septirhynchia belongs to Septirhynchiidae'
  • 'Septirhynchiidae belongs to Hemithiridoidea'
  • 'Septocrurella belongs to Septocrurellinae'
  • 'Septocrurellinae belongs to Erymnariidae'
  • 'Septocyclothyris belongs to Cyclothyridinae'
  • 'Septospirigerella belongs to Spirigerellinae'
  • 'Septulirhynchia is a subjective synonym of Lacunaerhynchia'
  • 'Seratrypa was reranked as Desquamatia (Seratrypa) and belongs to Desquamatia'
  • 'Serbiorhynchia is a subjective synonym of Torquirhynchia'
  • 'Severella belongs to Conchidiinae'
  • 'Sharpirhynchia belongs to Ivanoviellinae'
  • 'Shrockia belongs to Lissatrypidae'
  • 'Shumardella belongs to Petasmariidae'
  • 'Sibiratrypa is a subjective synonym of Devonatrypa'
  • 'Sibirirhynchia belongs to Dogdoinae'
  • 'Sibirispira is a subjective synonym of Spinatrypina'
  • 'Sibiritoechia belongs to Pygmaellinae'
  • 'Sichuanrhynchus is a nomen dubium'
  • 'Sicorhyncha belongs to Machaerariidae'
  • 'Sieberella belongs to Gypidulinae'
  • 'Sinopunctatrypa belongs to Punctatrypinae'
  • 'Sinorhynchia belongs to Sinorhynchiidae'
  • 'Sinorhynchiidae belongs to Wellerelloidea'
  • 'Sinotectirostrum belongs to Trigonirhynchiinae'
  • 'Sinuplicorhynchia belongs to Piarorhynchiinae'
  • 'Slovenirhynchia is a subjective synonym of Homoeorhynchia'
  • 'Snezhnorhynchia is a subjective synonym of Korjakirhynchia'
  • 'Soaresirhynchia belongs to Basiliolinae'
  • 'Solidipontirostrum belongs to Pugnacidae'
  • 'Solitudinella is a subjective synonym of Lissatrypa'
  • 'Somalirhynchia belongs to Tetrarhynchiinae'
  • 'Sphaerathyris belongs to Helenathyridinae'
  • 'Sphaerirhynchia belongs to Sphaerirhynchiinae'
  • 'Sphaerirhynchiinae belongs to Hebetoechiidae'
  • 'Sphenarina belongs to Hispanirhynchiinae'
  • 'Sphenorhynchia belongs to Prionorhynchiidae'
  • 'Sphenotreta belongs to Sphenotretidae'
  • 'Sphenotretidae belongs to Ancistrorhynchoidea'
  • 'Spinatrypa belongs to Spinatrypinae'
  • 'Spinatrypina belongs to Spinatrypinae'
  • 'Spinatrypinae belongs to Atrypidae'
  • 'Spirigera (Stolzenburgiella) was reranked as Stolzenburgiella and belongs to Misoliinae'
  • 'Spirigerella belongs to Spirigerellinae'
  • 'Spirigerellina belongs to Ochotathyridinae'
  • 'Spirigerellinae belongs to Athyrididae'
  • 'Spirigerina belongs to Spirigerininae'
  • 'Spirigerininae belongs to Atrypinidae'
  • 'Spondylobolus is a nomen oblitum'
  • 'Spondylopyxis belongs to Conchidiinae'
  • 'Spondylostrophia belongs to Stricklandistrophiidae'
  • 'Squamathyris belongs to Athyrisininae'
  • 'Squamirhynchia belongs to Cyclothyridinae'
  • 'Stegorhynchella is a subjective synonym of Stegerhynchus'
  • 'Stegerhynchops is a subjective synonym of Stegerhynchus'
  • 'Stegocornu belongs to Rhynchotrematinae'
  • 'Stenaulacorhynchus belongs to Platyterorhynchinae'
  • 'Stenocamara belongs to Stenocamarinae'
  • 'Stenocamarinae belongs to Camerellidae'
  • 'Stenoglossariorhynchus belongs to Leiorhynchinae'
  • 'Stenometoporhynchinae belongs to Leiorhynchidae'
  • 'Stenometoporhynchus belongs to Stenometoporhynchinae'
  • 'Stenopentamerus belongs to Pentameridae'
  • 'Stenorhynchia belongs to Trigonirhynchiinae'
  • 'Stenoscisma belongs to Stenoscismatinae'
  • 'Stenoscismatacea is replaced by Stenoscismatoidea'
  • 'Stenoscismatidae belongs to Stenoscismatoidea'
  • 'Stenoscismatinae belongs to Stenoscismatidae'
  • 'Stenoscismatoidea belongs to Rhynchonellida'
  • 'Stichotrophia belongs to Clarkellidae'
  • 'Stolmorhynchia belongs to Lacunosellinae'
  • 'Straelenia is a nomen dubium'
  • 'Streptaria belongs to Basiliolinae'
  • 'Striatopugnax is a subjective synonym of Pugnax'
  • 'Striatorhynchus belongs to Leiorhynchinae'
  • 'Stricklandia belongs to Stricklandiinae'
  • 'Stricklandiella belongs to Kulumbellinae'
  • 'Stricklandiidae belongs to Stricklandioidea'
  • 'Stricklandiinae belongs to Stricklandiidae'
  • 'Stricklandioidea belongs to Pentameridina'
  • 'Stricklandistrophia belongs to Stricklandistrophiidae'
  • 'Stricklandistrophiidae belongs to Stricklandioidea'
  • 'Strigirhynchia belongs to Strigirhynchiinae'
  • 'Strigirhynchiinae belongs to Wellerellidae'
  • 'Striirhynchia belongs to Striirhynchiinae'
  • 'Striirhynchiinae belongs to Rhynchonellidae'
  • 'Strongyloria belongs to Indorhynchiinae'
  • 'Subriana belongs to Subrianinae'
  • 'Subrianidae belongs to Pentameroidea'
  • 'Subrianinae belongs to Subrianidae'
  • 'Sufetirhyncha belongs to Trigonirhynchiinae'
  • 'Suiaella belongs to Monticlarellinae'
  • 'Sulcathyris belongs to Plicathyridinae'
  • 'Sulcatina belongs to Eatoniidae'
  • 'Sulcatospira belongs to Spirigerininae'
  • 'Sulcicostula belongs to Vladimirirhynchinae'
  • 'Sulcipentamerus was reranked as Harpidium (Sulcipentamerus) and belongs to Harpidium'
  • 'Sulciphoria is a subjective synonym of Minutulirhynchia'
  • 'Sulciplicatatrypa is a subjective synonym of Mogoliella'
  • 'Sulcirhynchia belongs to Cyclothyridinae'
  • 'Sulcirostra belongs to Rhynchonellininae'
  • 'Sulcorhynchia belongs to Uralorhynchiinae'
  • 'Supertrilobus was reranked as Pentamerus (Supertrilobus) and belongs to Pentamerus'
  • 'Svetlania belongs to Didymothyridinae'
  • 'Symmatrypa belongs to Symmatrypidae'
  • 'Symmatrypidae belongs to Palaferelloidea'
  • 'Synatrypa is a subjective synonym of Desquamatia'
  • 'Syntrophia belongs to Syntrophiinae'
  • 'Syntrophiidae belongs to Porambonitoidea'
  • 'Syntrophiidina belongs to Pentamerida'
  • 'Syntrophiinae belongs to Syntrophiidae'
  • 'Syntrophina belongs to Clarkellidae'
  • 'Syntrophinella belongs to Clarkellidae'
  • 'Syntrophioides belongs to Eostrophiidae'
  • 'Syntrophopsinae belongs to Tetralobulidae'
  • 'Syntrophopsis belongs to Syntrophopsinae'
  • 'Sypharatrypa belongs to Plectatrypinae'
  • 'Tabarhynchus belongs to Hemitoechiinae'
  • 'Tadschikia belongs to Sphaerirhynchiinae'
  • 'Taimyrrhynx belongs to Uncinulidae'
  • 'Tainotoechia is a subjective synonym of Pseudoglossinotoechia'
  • 'Tainuirhynchia belongs to Piarorhynchiinae'
  • 'Talovkorhynchia belongs to Piarorhynchiinae'
  • 'Tanerhynchia is a nomen dubium'
  • 'Tanggularella belongs to Indorhynchiinae'
  • 'Taoqupospira is a subjective synonym of Sulcatospira'
  • 'Tasmanella belongs to Orthorhynchulidae'
  • 'Tatjania belongs to Vladimirirhynchinae'
  • 'Tautosia belongs to Wellerellinae'
  • 'Tcharella belongs to Syntrophopsinae'
  • 'Tcherskidium belongs to Virgianinae'
  • 'Tscherskidium is a misspelling of Tcherskidium'
  • 'Tectatrypa belongs to Lissatrypidae'
  • 'Tegulorhynchia belongs to Notosariidae'
  • 'Tenuiatrypa is a subjective synonym of Desquamatia'
  • 'Tenuisinurostrum belongs to Leiorhynchinae'
  • 'Terebratula collettii is recombined as Quadriloba collettii'
  • 'Terebratuloidea belongs to Allorhynchidae'
  • 'Tetracamera belongs to Tetracameridae'
  • 'Tetracameridae belongs to Rhynchotetradoidea'
  • 'Tetractinella belongs to Tetractinellinae'
  • 'Tetractinellinae belongs to Diplospirellidae'
  • 'Tetraloba is replaced by Quadriloba'
  • 'Tetralobula belongs to Tetralobulinae'
  • 'Tetralobulidae belongs to Porambonitoidea'
  • 'Tetralobulinae belongs to Tetralobulidae'
  • 'Tetrarhynchia belongs to Tetrarhynchiinae'
  • 'Tetrarhynchiidae belongs to Hemithiridoidea'
  • 'Tetrarhynchiinae belongs to Tetrarhynchiidae'
  • 'Tetratomia belongs to Trigonirhynchiinae'
  • 'Thaumatrophia is a subjective synonym of Imbricatia'
  • 'Thebesia belongs to Virginiatinae'
  • 'Thedusia belongs to Hustediinae'
  • 'Thliborhynchia belongs to Machaerariidae'
  • 'Thurmannella belongs to Ivanoviellinae'
  • 'Tibetatrypa belongs to Clintonellinae'
  • 'Tichirhynchus is a subjective synonym of Hemitoechia'
  • 'Timorhynchia belongs to Cyclothyridinae'
  • 'Titanothyris belongs to Lochengiinae'
  • 'Togaella is a nomen dubium'
  • 'Togatrypa belongs to Atrypinae'
  • 'Tomestenoporhynchus belongs to Calvinariinae'
  • 'Tonasirhynchia belongs to Ochotorhynchiidae'
  • 'Tongzithyris belongs to Spirigerellinae'
  • 'Tonsella belongs to Oligorhynchiidae'
  • 'Toquimaella is a subjective synonym of Mimatrypa'
  • 'Torquirhynchia belongs to Cyclothyridinae'
  • 'Torynechus belongs to Stenoscismatinae'
  • 'Totia is a subjective synonym of Vagrania'
  • 'Trasgu belongs to Rhynchotetradinae'
  • 'Trematospira belongs to Rhynchospirinidae'
  • 'Tretorhynchia belongs to Tretorhynchinae'
  • 'Tretorhynchinae belongs to Rhynchoporidae'
  • 'Triasorhynchia belongs to Triasorhynchiidae'
  • 'Triasorhynchiidae belongs to Hemithiridoidea'
  • 'Triathyrididae belongs to Meristelloidea'
  • 'Triathyridinae belongs to Triathyrididae'
  • 'Triathyris belongs to Triathyridinae'
  • 'Trichorhynchia belongs to Striirhynchiinae'
  • 'Tricoria belongs to Tricoriinae'
  • 'Tricoriinae belongs to Wellerellidae'
  • 'Tridensilis is a subjective synonym of Uncinulus'
  • 'Trifidorostellum belongs to Pugnacidae'
  • 'Trigonatrypa belongs to Glassiidae'
  • 'Trigonirhynchella belongs to Austrirhynchidae'
  • 'Trigonirhynchia belongs to Trigonirhynchiinae'
  • 'Trigonirhynchiidae belongs to Rhynchotrematoidea'
  • 'Trigonirhynchiinae belongs to Trigonirhynchiidae'
  • 'Trigonirhynchioides is a subjective synonym of Ancillotoechia'
  • 'Trigonotrophia is a subjective synonym of Idiostrophia'
  • 'Triseptata is corrected as Bondarevia and belongs to Huenellinae'
  • 'Trophisina belongs to Trophisininae'
  • 'Trophisininae belongs to Wellerellidae'
  • 'Tschatkalia belongs to Whitfieldellinae'
  • 'Tulathyris belongs to Spirigerellinae'
  • 'Tuloja belongs to Camerellinae'
  • 'Tungussotoechia is a subjective synonym of Stegerhynchus'
  • 'Tuvaella belongs to Tuvaellinae'
  • 'Tuvaellinae belongs to Anazygidae'
  • 'Tuvaerhynchus belongs to Orthorhynchulidae'
  • 'Twenhofelia belongs to Pentameridae'
  • 'Tyrganiella belongs to Meristinae'
  • 'Tyryrhynchus belongs to Ancistrorhynchidae'
  • 'Uchtella belongs to Hypothyridinidae'
  • 'Ufonicoelia belongs to Retziellidae'
  • 'Ujandinella belongs to Pugnacidae'
  • 'Uldziathyris belongs to Spirigerellinae'
  • 'Uncinella belongs to Misoliinae'
  • 'Uncinulidae belongs to Uncinuloidea'
  • 'Uncinuloidea belongs to Rhynchonellida'
  • 'Uncinulus belongs to Uncinulidae'
  • 'Uncinunellina belongs to Uncinunellininae'
  • 'Uncinunellininae belongs to Wellerellidae'
  • 'Uncites belongs to Uncitidae'
  • 'Uncitidae belongs to Uncitoidea'
  • 'Uncitispira belongs to Clintonellinae'
  • 'Uncitoidea belongs to Athyridida'
  • 'Undatrypa belongs to Punctatrypinae'
  • 'Undulorhyncha is a subjective synonym of Hemitoechia'
  • 'Uniplicatorhynchia belongs to Nucleusorhynchiinae'
  • 'Uralorhynchia belongs to Uralorhynchiinae'
  • 'Uralorhynchiinae belongs to Rhynchonellidae'
  • 'Uralospira belongs to Variatrypinae'
  • 'Uralotoechia is a nomen dubium'
  • 'Urbanirhynchia belongs to Ivanoviellinae'
  • 'Ussuricamara belongs to Cyrolexinae'
  • 'Vadimia belongs to Aenigmastrophiidae'
  • 'Vaga belongs to Parallelelasmatidae'
  • 'Vagranella belongs to Subrianinae'
  • 'Vagrania belongs to Vagraniinae'
  • 'Vagraniinae belongs to Karpinskiidae'
  • 'Variatrypa belongs to Variatrypinae'
  • 'Variatrypinae belongs to Atrypidae'
  • 'Veghirhynchia belongs to Pamirorhynchiinae'
  • 'Viarhynchia belongs to Viarhynchiinae'
  • 'Viarhynchiinae belongs to Tetrarhynchiidae'
  • 'Vincentirhynchia belongs to Cirpinae'
  • 'Virgiana belongs to Virgianinae'
  • 'Virgianella belongs to Virgianinae'
  • 'Virgianidae belongs to Pentameroidea'
  • 'Virgianinae belongs to Virgianidae'
  • 'Virginiata belongs to Virginiatinae'
  • 'Virginiatinae belongs to Trigonirhynchiidae'
  • 'Vladimirirhynchinae belongs to Innaechiidae'
  • 'Vladimirirhynchus belongs to Vladimirirhynchinae'
  • 'Volirhynchia belongs to Sinorhynchiidae'
  • 'Voskopitoechia belongs to Hebetoechiinae'
  • 'Vosmiverstum belongs to Conchidiinae'
  • 'Waikatorhynchia belongs to Ivanoviellinae'
  • 'Wairakiella is a subjective synonym of Pseudowellerella'
  • 'Wairakirhynchia belongs to Praemonticlarellinae'
  • 'Webbyspira belongs to Idiospirinae'
  • 'Weizhouella belongs to Vagraniinae'
  • 'Wellerella belongs to Wellerellinae'
  • 'Wellerellidae belongs to Wellerelloidea'
  • 'Wellerellina belongs to Pontisiinae'
  • 'Wellerellinae belongs to Wellerellidae'
  • 'Wellerelloidea belongs to Rhynchonellida'
  • 'Wenxianirhynchus is a subjective synonym of Nymphorhynchia'
  • 'Werneckeella belongs to Leiorhynchinae'
  • 'Westbroekina belongs to Aseptorhynchiidae'
  • 'Whitfieldella belongs to Whitfieldellinae'
  • 'Whitfieldellinae belongs to Meristellidae'
  • 'Wilsonia is replaced by Wilsoniella'
  • 'Wilsoniella belongs to Trigonirhynchiinae'
  • 'Wulungguia is a nomen dubium'
  • 'Wyella belongs to Devonogypinae'
  • 'Xanthea belongs to Plectatrypinae'
  • 'Xenelasma belongs to Xenelasmatinae'
  • 'Xenelasmatinae belongs to Syntrophiidae'
  • 'Xenelasmella belongs to Xenelasmatinae'
  • 'Xenelasmopsis belongs to Xenelasmatinae'
  • 'Xeniopugnax belongs to Corvinopugnacinae'
  • 'Xenosaria belongs to Xenosariinae'
  • 'Xenosariinae belongs to Athyrididae'
  • 'Xerxespirifer belongs to Retziellidae'
  • 'Xiaobangdaia belongs to Hypothyridinidae'
  • 'Xinshaoella belongs to Ladogiidae'
  • 'Xizangostrophia belongs to Camerellinae'
  • 'Xysila belongs to Protozygidae'
  • 'Yakutijaella belongs to Vladimirirhynchinae'
  • 'Yanbianella is a nomen dubium'
  • 'Yanetechia belongs to Hemitoechiinae'
  • 'Yangtzeella belongs to Clarkellidae'
  • 'Yanishewskiella belongs to Tetracameridae'
  • 'Yarirhynchia is a nomen dubium'
  • 'Yidunella belongs to Cyclothyridinae'
  • 'Ypsilorhynchus belongs to Leiorhynchinae'
  • 'Yukiangides belongs to Machaerariidae'
  • 'Yulongella belongs to Cyclothyridinae'
  • 'Yunnanella belongs to Yunnanellidae'
  • 'Yunnanellidae belongs to Pugnacoidea'
  • 'Yunnanellina is an objective synonym of Yunnanella'
  • 'Yunshanella belongs to Rhynchonellida'
  • 'Zanclorhyncha is a subjective synonym of Eospirigerina'
  • 'Zdimir belongs to Conchidiellinae'
  • 'Zdimirella belongs to Conchidiellinae'
  • 'Zeravshania belongs to Davidsoniidae'
  • 'Zeravshanotoechia belongs to Machaerariidae'
  • 'Zhejiangella belongs to Psilocamarinae'
  • 'Zilimia belongs to Pugnacidae'
  • 'Zlichorhynchus belongs to Machaerariidae'
  • 'Zonathyris belongs to Athyridinae'
  • 'Zygatrypa belongs to Anazyginae'
  • 'Zygospira belongs to Anazyginae'
  • 'Kurzgunia is a subjective synonym of Sulcatospira'
  • 'Zygospirella is a misspelling of Zygospiraella'
  • 'Zygospiraella belongs to Atrypinae'