Opinions from A. S. Dagys 1974
- 'Abrekia sulcata belongs to Abrekia'
- 'Adygella cubanica belongs to Adygella' according to Dagys 1959
- 'Adygella cubanica belongs to Adygella'
- 'Adygelloides labensis belongs to Adygelloides' according to Dagys 1959
- 'Adygelloides labensis belongs to Adygelloides'
- 'Amphiclinodonta liassina belongs to Amphiclinodonta' according to Bittner 1888
- 'Amphiclinodonta liassina belongs to Amphiclinodonta'
- 'Anadyrella infrequens belongs to Anadyrella'
- 'Arctothyris solitus belongs to Arctothyris'
- 'Aspidothyris kraffti belongs to Aspidothyris' according to Diener 1908
- 'Aspidothyris kraffti belongs to Aspidothyris'
- 'Athyris worobievi belongs to Athyris' according to Moisseiev 1947
- 'Athyris worobievi is recombined as Majkopella worobievi'
- 'Aulacothyris gregalis is recombined as Sulcatinella gregalis'
- 'Aulacothyris semiplana is recombined as Sulcatinella semiplana'
- 'Aulacothyris waehneri is recombined as Sulcatinella waehneri'
- 'Aulacothyroides gizhigensis belongs to Aulacothyroides'
- 'Austriellula orientalis belongs to Austriellula'
- 'Bactrynium bicarinatum belongs to Bactrynium' according to Emmrich 1855
- 'Bittnerella bittneri belongs to Bittnerella'
- 'Caucasothyris angustiplicatus belongs to Caucasothyris'
- 'Costinorella zharnikovae belongs to Costinorella'
- 'Costirhynchia spatiosa belongs to Costirhynchia'
- 'Crurirhynchia kiparisovae belongs to Crurirhynchia' according to Dagys 1961
- 'Crurirhynchia kiparisovae belongs to Crurirhynchia'
- 'Crurithyris extima belongs to Crurithyris'
- 'Cubanothyris elegans belongs to Cubanothyris' according to Dagys 1959
- 'Cubanothyris elegans belongs to Cubanothyris'
- 'Cubanothyris primarius belongs to Cubanothyris'
- 'Cyrtina fritschi belongs to Cyrtina' according to Bittner 1890
- 'Cyrtina fritschi is recombined as Klipsteinella fritschi'
- 'Cyrtina gracillima is recombined as Bittnerella gracilima'
- 'Cyrtina loczyi is recombined as Klipsteinella loczyi'
- 'Cyrtotheca is replaced by Thecocyrtella'
- 'Cyrtotheca ampezzana belongs to Cyrtotheca' according to Bittner 1890
- 'Cyrtotheca ampezzana is recombined as Thecocyrtella ampezzana'
- 'Dentospiriferina pepeliaevi belongs to Dentospiriferina'
- 'Dimerella guembeli belongs to Dimerella' according to Zittel 1870
- 'Dimerella guembeli belongs to Dimerella'
- 'Dinarella haueri belongs to Dinarella' according to Bittner 1892
- 'Dinarella haueri belongs to Dinarella'
- 'Euxinella latirgvartaensis belongs to Euxinella' according to Moisseiev 1936
- 'Euxinella latirgvartaensis belongs to Euxinella'
- 'Guseriplia bittneri is recombined as Sinucosta bittneri'
- 'Guseriplia songdae belongs to Guseriplia' according to Dagys 1965
- 'Guseriplia songdae is recombined as Sinucosta songdae'
- 'Hagabirhynchia arabica belongs to Hagabirhynchia'
- 'Halorella nimassica is recombined as Timorhynchia nimassica'
- 'Halorella rectifrons belongs to Halorella' according to Bittner 1890
- 'Halorella rectifrons is recombined as Halorelloidea rectifrons'
- 'Holcorhynchia anceps is recombined as Sulcorhynchia anceps'
- 'Holcorhynchia borealis belongs to Holcorhynchia' according to Dagys 1965
- 'Holcorhynchia borealis is recombined as Sulcorhynchia borealis'
- 'Holcorhynchia gizhigensis is recombined as Sulcorhynchia gizhigensis'
- 'Hustedtiella planicosta belongs to Hustedtiella' according to Dagys 1972
- 'Juvavella suessi belongs to Juvavella' according to Bittner 1888
- 'Juvavella suessi belongs to Juvavella'
- 'Juvavellina kittli belongs to Juvavellina' according to Bittner 1896
- 'Juvavellina kittli belongs to Juvavellina'
- 'Lepismatina hsui belongs to Lepismatina'
- 'Leptaena liasina is recombined as Koninckella liasina'
- 'Leptaena liasina belongs to Leptaena' according to Bouchard 1847
- 'Mentzelia rotunda is recombined as Viligella rotunda'
- 'Mentzeliopsis meridialis is recombined as Mentzelioides meridialis'
- 'Mentzeliopsis spinosa belongs to Mentzeliopsis' according to Trechman 1918
- 'Mentzeliopsis spinosa belongs to Mentzeliopsis'
- 'Misolia misolica belongs to Misolia'
- 'Neowellerella vesca belongs to Neowellerella'
- 'Norella procreatrix belongs to Norella' according to Bittner 1899
- 'Norella procreatrix is recombined as Abrekia procreatrix'
- 'Norella tibetica belongs to Norella' according to Bittner 1899
- 'Norella tibetica is recombined as Sulcorhynchia tibetica'
- 'Omolonella omolonensis belongs to Omolonella'
- 'Orientospira gregaria belongs to Orientospira'
- 'Orthis dalmani belongs to Orthis' according to Klipstein 1843
- 'Orthis dalmani is recombined as Koeveskallina dalmani'
- 'Oxycolpella ochotica is recombined as Ochotathyris ochotica'
- 'Pamirotheca aulacothyridiformis belongs to Pamirotheca'
- 'Paranorellina parisi belongs to Paranorellina'
- 'Pennospiriferina (Spondylospiriferina) belongs to Pennospiriferina' according to Dagys 1972
- 'Pennospiriferina (Spondylospiriferina) belongs to Pennospiriferina'
- 'Piarorhynchella mangyshlakensis belongs to Piarorhynchella'
- 'Piarorhynchia atrita is recombined as Planirhynchia atrita'
- 'Piarorhynchia risilla is recombined as Planirhynchia risilla'
- 'Piarorhynchia trinodosiformis is recombined as Planirhynchia trinodosiformis'
- 'Piarorhynchia yakutica is recombined as Planirhynchia yakutica'
- 'Planirhynchia tantilla belongs to Planirhynchia' according to Sucic-Protic 1969
- 'Planirhynchia tantilla belongs to Planirhynchia'
- 'Praecubanothyris obtusus belongs to Praecubanothyris'
- 'Producta dubia is recombined as Productus dubia' according to Münster 1852
- 'Producta dubia is recombined as Amphiclina dubia'
- 'Producta leonhardi is recombined as Koninckina leonhardi'
- 'Pseudocyrtina norica belongs to Pseudocyrtina' according to Dagys 1962
- 'Pseudocyrtina norica belongs to Pseudocyrtina'
- 'Pseudohalorella sibirica belongs to Pseudohalorella'
- 'Pugnoides triassicus is recombined as Piarorhynchella triassica'
- 'Retzia aracanga is recombined as Hungarispira aracanga'
- 'Retzia loczyi is recombined as Cassianospira loczyi'
- 'Retzia schwageri is recombined as Schwagerispira schwageri'
- 'Retzia superbescens belongs to Retzia' according to Bittner 1890
- 'Retzia superbescens is recombined as Neoretzia superbescens'
- 'Rhynchonella arpadica belongs to Rhynchonella' according to Bittner 1902
- 'Rhynchonella arpadica is recombined as Veghirhynchia arpadica'
- 'Rhynchonella atomaria is recombined as Holcorhynchella atomaria'
- 'Rhynchonella begum is recombined as Holcorhynchella begum'
- 'Rhynchonella blassi belongs to Rhynchonella' according to Bittner 1890
- 'Rhynchonella blassi is recombined as Veghirhynchia blassi'
- 'Rhynchonella bogumilorum is recombined as Holcorhynchella bogumilorum'
- 'Rhynchonella carantana belongs to Rhynchonella' according to Bittner 1890
- 'Rhynchonella carantana is recombined as Costirhynchia carantana'
- 'Rhynchonella carresae belongs to Rhynchonella' according to Philippi 1904
- 'Rhynchonella carresae is recombined as Holcorhynchella carresae'
- 'Rhynchonella cornaliana belongs to Rhynchonella' according to Bittner 1890
- 'Rhynchonella cornaliana is recombined as Veghirhynchia cornaliana'
- 'Rhynchonella delicatula is recombined as Holcorhynchella delicatula'
- 'Rhynchonella deliciosa belongs to Rhynchonella' according to Bittner 1890
- 'Rhynchonella deliciosa is recombined as Holcorhynchella deliciosa'
- 'Rhynchonella dilatata belongs to Rhynchonella' according to Suess 1855
- 'Rhynchonella dilatata is recombined as Austriellula dilatata'
- 'Rhynchonella dinarica is recombined as Holcorhynchella dinarica'
- 'Rhynchonella edhemi belongs to Rhynchonella' according to Toula 1896
- 'Rhynchonella edhemi is recombined as Holcorhynchella edhemi'
- 'Rhynchonella nissa is recombined as Holcorhynchella nissa'
- 'Rhynchonella pastrovichiana belongs to Rhynchonella' according to Bittner 1890
- 'Rhynchonella pastrovichiana is recombined as Holcorhynchella pastrovichiana'
- 'Rhynchonella paterna belongs to Rhynchonella' according to Bittner 1890
- 'Rhynchonella paterna is recombined as Holcorhynchella paterna'
- 'Rhynchonella perpusilla is recombined as Holcorhynchella perpusilla'
- 'Rhynchonella proclivis is recombined as Holcorhynchella proclivis'
- 'Rhynchonella productifrons is recombined as Volirhynchia productifrons'
- 'Rhynchonella projectifrons is recombined as Volirhynchia projectifrons'
- 'Rhynchonella protractifrons is recombined as Volirhynchia protractifrons'
- 'Rhynchonella retrocita belongs to Rhynchonella' according to Suess 1855
- 'Rhynchonella retrocita is recombined as Nucleatula retrocita'
- 'Rhynchonella teutonica is recombined as Volirhynchia teutonica'
- 'Rhynchonella trebevicensis is recombined as Holcorhynchella trebevicensis'
- 'Rhynchonella trinodosi is recombined as Piarorhynchella trinodosi'
- 'Rhynchonella vivida is recombined as Volirhynchia vivida'
- 'Rhynchonella volitans is recombined as Volirhynchia volitans'
- 'Robinsonella mastakanensis belongs to Robinsonella' according to Moisseiev 1936
- 'Robinsonella mastakanensis belongs to Robinsonella'
- 'Rotalina hirsuta is recombined as Globorotalia (Hirsutella) hirsuta' according to Bandy 1972
- 'Sakawairhynchia tokombensis belongs to Sakawairhynchia'
- 'Sinuplicorhynchia kegalensis belongs to Sinuplicorhynchia'
- 'Spinolepismatina inconstans belongs to Spinolepismatina'
- 'Spirifer bidorsatus belongs to Spirifer' according to Klipstein 1843
- 'Spirifer bidorsatus is recombined as Thecospirella bidorsatus'
- 'Spirifer buchi belongs to Spirifer' according to Klipstein 1843
- 'Spirifer buchi is recombined as Thecocyrtella buchi'
- 'Spirifer calceola belongs to Spirifer' according to Klipstein 1843
- 'Spirifer calceola is recombined as Klipsteinella calceola'
- 'Spirifer emmrichi belongs to Spirifer' according to Suess 1854
- 'Spirifer emmrichi is recombined as Sinucosta emmrichi'
- 'Spirifer medianus belongs to Spirifer' according to Quenstedt 1871
- 'Spirifer medianus is a subjective synonym of Mentzelia mentzeli'
- 'Spirifer mentzeli belongs to Spirifer' according to Dunker 1851
- 'Spirifer mentzeli is recombined as Mentzelia mentzeli'
- 'Spiriferina asiatica is recombined as Costispiriferina asiatica'
- 'Spiriferina australis belongs to Spiriferina' according to Trechman 1918
- 'Spiriferina australis is recombined as Pseudolaballa australis'
- 'Spiriferina avarica is recombined as Dinarispira avarica'
- 'Spiriferina budensis belongs to Spiriferina' according to Hofmann 1874
- 'Spiriferina budensis is recombined as Mentzelioides budensis'
- 'Spiriferina canadensis belongs to Spiriferina' according to Logan 1967
- 'Spiriferina canadensis is recombined as Canadospira canadensis'
- 'Spiriferina canavarica belongs to Spiriferina' according to Tommasi 1885
- 'Spiriferina canavarica is recombined as Hirsutella canavarica'
- 'Spiriferina dinarica is recombined as Dinarispira dinarica'
- 'Spiriferina evanescens belongs to Spiriferina' according to Bittner 1809
- 'Spiriferina evanescens is recombined as Sinucosta evanescens'
- 'Spiriferina gregaria is recombined as Sinucosta gregaria'
- 'Spiriferina gregaria belongs to Spiriferina' according to Suess 1867
- 'Spiriferina halobiarum belongs to Spiriferina' according to Bittner 1890
- 'Spiriferina halobiarum is recombined as Mentzelioides halobiarum'
- 'Spiriferina impressula belongs to Spiriferina' according to Bittner 1890
- 'Spiriferina impressula is recombined as Sinucosta impressula'
- 'Spiriferina koessenensis is recombined as Zugmayerella koessenensis'
- 'Spiriferina koeveskalyensis [misspelled as Koeveskallina koeveskalliensis] belongs to Koeveskallina'
- 'Spiriferina lindstroemi belongs to Spiriferina' according to Bohm 1903
- 'Spiriferina lindstroemi is recombined as Boreiospira lindstroemi'
- 'Spiriferina lipoldi belongs to Spiriferina' according to Bittner 1890
- 'Spiriferina lipoldi is recombined as Balatonospira lipoldi'
- 'Spiriferina lundgreni belongs to Spiriferina' according to Bohm 1903
- 'Spiriferina lundgreni is recombined as Boreiospira lundgreni'
- 'Spiriferina meridionalis belongs to Spiriferina' according to Bittner 1902
- 'Spiriferina meridionalis is recombined as Koeveskallina meridionalis'
- 'Spiriferina myrina belongs to Spiriferina' according to Bittner 1892
- 'Spiriferina myrina is recombined as Mentzelioides myrina'
- 'Spiriferina nelsonensis belongs to Spiriferina' according to Marwick 1953
- 'Spiriferina nelsonensis is recombined as Psioidea nelsonensis'
- 'Spiriferina oligoptycha belongs to Spiriferina' according to Bittner 1892
- 'Spiriferina oligoptycha is recombined as Sinucosta oligoptycha'
- 'Spiriferina paleotypus is recombined as Koeveskallina paleotypus'
- 'Spiriferina paleotypus [misspelled as Spiriferina palaeotypus] belongs to Spiriferina' according to Loretz 1875
- 'Spiriferina palaeotypus is a misspelling of Spiriferina paleotypus'
- 'Spiriferina pectinata is recombined as Sinucosta pectinata'
- 'Spiriferina peneckei is recombined as Spinolepismatina peneckei'
- 'Spiriferina pia is recombined as Dinarispira pia'
- 'Spiriferina pittensis is recombined as Costispiriferina pittensis'
- 'Spiriferina pontica belongs to Spiriferina' according to Bittner 1892
- 'Spiriferina pontica is recombined as Sinucosta pontica'
- 'Spiriferina praecursor is recombined as Mentzelioides praecursor'
- 'Spiriferina shalshalensis belongs to Spiriferina' according to Bittner 1899
- 'Spiriferina shalshalensis is recombined as Costispiriferina shalshalensis'
- 'Spiriferina solitaris belongs to Spiriferina' according to Bittner 1902
- 'Spiriferina solitaris is recombined as Dinarispira solitaris'
- 'Spiriferina suessi is recombined as Laballa suessi'
- 'Spiriferina terekhovi is recombined as Costispiriferina terekhovi'
- 'Spiriferina viligensis is recombined as Costispiriferina viligensis'
- 'Spiriferinoides sakawanus belongs to Spiriferinoides' according to Kobayashi and Tokuyama 1957
- 'Spiriferinoides sakawanus belongs to Spiriferinoides'
- 'Spirigera (Stolzenburgiella) bukowskii is recombined as Stolzenburgiella bukowskii'
- 'Spirigera ausseana belongs to Spirigera' according to Bittner 1890
- 'Spirigera ausseana is recombined as Spirigerellina ausseana'
- 'Spirigera canaliculata is recombined as Spirigerellina canaliculata'
- 'Spirigera erubescens belongs to Spirigera' according to De Toni 1914
- 'Spirigera erubescens is recombined as Spirigerellina erubescens'
- 'Spirigera hunica belongs to Spirigera' according to Bittner 1899
- 'Spirigera hunica is recombined as Spirigerellina hunica'
- 'Spirigera kittli belongs to Spirigera' according to Bittner 1902
- 'Spirigera kittli is recombined as Spirigerellina kittli'
- 'Spirigera oxycolpos is recombined as Oxycolpella oxycolpos'
- 'Spirigera strohmayri belongs to Spirigera' according to Suess 1855
- 'Spirigera strohmayri is recombined as Pexidella strohmayri'
- 'Spirigerellina pygmaea belongs to Spirigerellina'
- 'Spirigerina stoliczkai is recombined as Spirigerellina stoliczkai'
- 'Spondylospira reesidei belongs to Spondylospira' according to Cooper 1944
- 'Spondylospira reesidei belongs to Spondylospira'
- 'Sulcatinella sulcata belongs to Sulcatinella'
- 'Sulcatothyris tkachensis belongs to Sulcatothyris'
- 'Terebratula (Propygope) belongs to Terebratula' according to Bittner 1890
- 'Terebratula (Propygope) hagar belongs to Terebratula (Propygope)' according to Bittner 1890
- 'Terebratula (Propygope) hagar is recombined as Propygope hagar'
- 'Terebratula amphitoma belongs to Terebratula' according to Bronn 1832
- 'Terebratula amphitoma is recombined as Halorella amphitoma'
- 'Terebratula aulacothyroidea belongs to Terebratula' according to Bittner 1890
- 'Terebratula aulacothyroidea is recombined as Sulcatothyris aulacothyroidea'
- 'Terebratula contraplecta is recombined as Euractinella contraplecta'
- 'Terebratula cornigera belongs to Terebratula' according to Schafhautl 1851
- 'Terebratula cornigera is recombined as Austrirhynchia cornigera'
- 'Terebratula decurtata belongs to Terebratula' according to Girard 1843
- 'Terebratula decurtata is recombined as Decurtella decurtata'
- 'Terebratula flexuosa is recombined as Anomactinella flexuosa'
- 'Terebratula fragilis is recombined as Punctospirella fragilis'
- 'Terebratula gregaria is recombined as Rhaetina gregaria'
- 'Terebratula indistincta belongs to Terebratula' according to Beyrich 1862
- 'Terebratula indistincta is recombined as Dioristella indistincta'
- 'Terebratula mentzelii is recombined as Costirhynchia mentzeli'
- 'Terebratula quadriplecta is recombined as Anisactinella quadriplecta'
- 'Terebratula quinquecostata is recombined as Pentactinella quinquecostata'
- 'Terebratula rhaetica is recombined as Zugmayeria rhaetica'
- 'Terebratula semicostata is recombined as Rhynchonella semicostata' according to Münster 1841
- 'Terebratula semicostata is recombined as Veghirhynchia semicostata'
- 'Terebratula sulcifera belongs to Terebratula' according to Schauroth 1855
- 'Terebratula sulcifera is recombined as Praecubanothyris sulcifera'
- 'Terebratula teres belongs to Terebratula' according to Bohm 1903
- 'Terebratula teres is recombined as Aulacothyroides teres'
- 'Terebratula tricostata is recombined as Laevirhynchia tricostata'
- 'Terebratula wissmani is recombined as Diplospirella wissmanni'
- 'Terebratulites trigonellus belongs to Terebratulites' according to Schlotheim 1820
- 'Terebratulites trigonellus is recombined as Tetractinella trigonella'
- 'Terebratulites vulgaris belongs to Terebratulites' according to Schlotheim 1820
- 'Terebratulites vulgaris is recombined as Coenothyris vulgaris'
- 'Thecidea haidingeri belongs to Thecidea' according to Suess 1854
- 'Thecidea haidingeri is recombined as Thecospira haidingeri'
- 'Thecidea sinuata belongs to Thecidea' according to Eudes-Deslongchamps 1853
- 'Thecidea sinuata is recombined as Davidsonella sinuata'
- 'Thecidium arenosum belongs to Thecidium' according to Bittner 1890
- 'Thecidium arenosum is recombined as Thecospiropsis arenosa'
- 'Thecidium cymbula is recombined as Pomatospirella cymbula'
- 'Thecidium discors belongs to Thecidium' according to Bittner 1890
- 'Thecidium discors is recombined as Thecospirella discors'
- 'Thecocyrtella orientalis belongs to Thecocyrtella'
- 'Thecospira andreaei is recombined as Hungaritheca andreaei'
- 'Thecospira davidsoni belongs to Thecospira' according to Bittner 1890
- 'Thecospira granulata belongs to Thecospira'
- 'Thecospira semseyi is recombined as Thecospiropsis semseyi'
- 'Thecospira sturzenbaumi belongs to Thecospira' according to Bittner 1890
- 'Thecospira tenuistriata belongs to Thecospira' according to Bittner 1890
- 'Thecospira tenuistriata is recombined as Thecospiropsis tenuistriata'
- 'Thecospira tirolensis belongs to Thecospira' according to Loretz 1875
- 'Thecospira tirolensis is recombined as Thecospiropsis tirolensis'
- 'Thecospirella loczyi belongs to Thecospirella'
- 'Triadispira caucasica belongs to Triadispira' according to Dagys 1961
- 'Triadispira caucasica belongs to Triadispira'
- 'Trigonirhynchia is replaced by Trigonirhynchella'
- 'Trigonirhynchia trigona is recombined as Trigonirhynchella trigona'
- 'Waldheimia angustaeformis belongs to Waldheimia' according to Boekh 1872
- 'Waldheimia angustaeformis is recombined as Angustothyris angustaeformis'
- 'Waldheimia eudora is recombined as Cruratula eudora'
- 'Wittenburgella minuta belongs to Wittenburgella'