Opinions from J. Jin and B. D. E. Chatterton 1997
- 'Acaretyrricula belongs to Triplesiidae'
- 'Acaretyrricula tenuiguttae belongs to Acaretyrricula'
- 'Aegiromeninae belongs to Sowerbyellidae'
- 'Ancillotoechia belongs to Trigonirhynchiinae'
- 'Ancillotoechia pentaforma is recombined as Hercotrema pentaforma'
- 'Ancillotoechia pentaforma is recombined as Hercotrema pentaforma' according to Lenz 1977
- 'Anomia biloba is recombined as Dicoelosia biloba'
- 'Anomia bilocularis is recombined as Conchidium bilocularis'
- 'Anomia crispa is recombined as Hedeina crispa'
- 'Anomites exporrectus is recombined as Cyrtia exporrectus'
- 'Anopliidae belongs to Chonetoidea'
- 'Athyrididae belongs to Athyroidea'
- 'Athyrididina belongs to Spiriferida'
- 'Athyroidea belongs to Athyrididina'
- 'Atrypa belongs to Atrypidae'
- 'Atrypa (Gotatrypa) belongs to Atrypa' according to Struve 1966
- 'Atrypa (Gotatrypa) blodgetti belongs to Atrypa (Gotatrypa)' according to Zhang 1989
- 'Atrypa (Gotatrypa) variabilis belongs to Atrypa (Gotatrypa)' according to Johnson et al. 1976
- 'Atrypa nitida is recombined as Whitfieldella nitida'
- 'Atrypa nodostriata is recombined as Eospinatrypa nodostriata'
- 'Atrypida belongs to Articulata'
- 'Atrypidae belongs to Atrypoidea'
- 'Atrypoidea belongs to Atrypida'
- 'Atrypoidea belongs to Lissatrypinae'
- 'Atrypoidea latilingulata belongs to Atrypoidea'
- 'Bathyrhyncha belongs to Rostricellulinae'
- 'Bisulcata belongs to Pentamerinae'
- 'Brachyprion belongs to Stropheodontidae'
- 'Brachyprion (Protomegastrophia) belongs to Brachyprion' according to Caster 1939
- 'Brevilamnulella belongs to Virgianidae'
- 'Brooksina belongs to Pentamerinae'
- 'Callipentamerus belongs to Pentameroidinae'
- 'Capelliniella belongs to Pentamerinae'
- 'Caryogyps belongs to Gypidulinae'
- 'Caryogyps chattertoni belongs to Caryogyps' according to Zhang 1989
- 'Caryogyps grayi belongs to Caryogyps' according to Zhang 1989
- 'Caryogyps plicata belongs to Caryogyps' according to Johnson et al. 1976
- 'Centronellidina belongs to Terebratulida'
- 'Chonetidae belongs to Chonetoidea'
- 'Chonetoidea belongs to Strophomenida'
- 'Chonetoidea belongs to Aegiromeninae'
- 'Chonetoidea obliqua belongs to Chonetoidea'
- 'Clorinda belongs to Clorindidae'
- 'Clorinda armata belongs to Clorinda' according to Barrande 1879
- 'Clorinda parvolinguifera belongs to Clorinda' according to Sapelnikov 1972
- 'Clorindidae belongs to Pentameroidea'
- 'Conchidiidae belongs to Pentameroidea'
- 'Conchidiinae belongs to Conchidiidae'
- 'Conchidium belongs to Conchidiinae'
- 'Conchidium microlocularis belongs to Conchidium' according to Johnson et al. 1976
- 'Conchidium triquetrum is recombined as Vosmiverstum triquetrum'
- 'Cupularostrum belongs to Trigonirhynchiinae'
- 'Cyclospira belongs to Cyclospirinae'
- 'Cyclospirinae belongs to Lissatrypidae'
- 'Cymbidium belongs to Conchidiinae'
- 'Cymbidium acutum belongs to Cymbidium' according to Kirk 1926
- 'Cymbidium kirki belongs to Cymbidium'
- 'Cyrtia belongs to Cyrtiinae'
- 'Cyrtia alatiformis belongs to Cyrtia' according to Zhang 1989
- 'Cyrtiidae belongs to Cyrtioidea'
- 'Cyrtiinae belongs to Cyrtiidae'
- 'Cyrtioidea belongs to Spiriferidina'
- 'Dalmanella belongs to Dalmanellinae'
- 'Dalmanellidae belongs to Orthoidea'
- 'Dalmanellinae belongs to Dalmanellidae'
- 'Delthyrididae belongs to Spiriferoidea'
- 'Devonochonetinae belongs to Chonetidae'
- 'Devonogypinae belongs to Gypidulidae'
- 'Dicoelosia belongs to Dicoelosiidae'
- 'Dicoelosia diversifrons belongs to Dicoelosia' according to Johnson et al. 1976
- 'Dicoelosia paralata belongs to Dicoelosia' according to Bassett 1972
- 'Dicoelosia parvifrons belongs to Dicoelosia' according to Johnson et al. 1976
- 'Dicoelosiidae belongs to Orthoidea'
- 'Didymothyridinae belongs to Athyrididae'
- 'Didymothyris belongs to Didymothyridinae'
- 'Dolerorthinae belongs to Dolerorthidae'
- 'Dolerorthis belongs to Dolerorthinae'
- 'Draboviidae belongs to Orthoidea'
- 'Eokirkidium belongs to Pentamerinae'
- 'Eoplectodonta belongs to Sowerbyellinae'
- 'Eoplectodonta (Eoplectodonta) paucicostellata belongs to Eoplectodonta (Eoplectodonta)'
- 'Eospinatrypa belongs to Atrypidae'
- 'Eospinatrypa bullata belongs to Eospinatrypa'
- 'Eospinatrypa savagei is recombined as Plectatrypa savagei' according to Zhang 1989
- 'Eospinatrypa savagei is recombined as Plectatrypa savagei'
- 'Eospiriferinae belongs to Cyrtiidae'
- 'Epitomyonia belongs to Dicoelosiidae'
- 'Epitomyonia amplissima belongs to Epitomyonia' according to Zhang 1989
- 'Epitomyonia clausula belongs to Epitomyonia' according to Johnson et al. 1976
- 'Epitomyonia schwiensis belongs to Epitomyonia' according to Lenz 1977
- 'Epitomyonia triseptata belongs to Epitomyonia' according to Lenz 1977
- 'Evenkorhynchia belongs to Rostricellulinae'
- 'Fardeniidae belongs to Fardenioidea'
- 'Fardenioidea belongs to Strophomenida'
- 'Flabellitesia belongs to Hesperorthinae'
- 'Glyptorthinae belongs to Dolerorthidae'
- 'Gracianella belongs to Atrypidae'
- 'Gracianella graciosa belongs to Gracianella' according to Havlicek 1990
- 'Gracianella lissumbra belongs to Gracianella' according to Johnson and Boucot 1967
- 'Gracianella rudicristata belongs to Gracianella'
- 'Gypidula belongs to Gypidulinae'
- 'Gypidula simplex belongs to Gypidula' according to Foerste 1909
- 'Gypidula typicalis belongs to Gypidula'
- 'Gypidulidae belongs to Pentameroidea'
- 'Gypidulina belongs to Sieberellinae'
- 'Gypidulinae belongs to Gypidulidae'
- 'Harpidium belongs to Pentamerinae'
- 'Harpidium (Harpidium) belongs to Harpidium' according to Kirk 1925
- 'Hedeina belongs to Eospiriferinae'
- 'Hemiplethorhynchus belongs to Rostricellulinae'
- 'Hemitoechia belongs to Rostricellulinae'
- 'Hercotrema belongs to Rostricellulinae'
- 'Hesperorthinae belongs to Dolerorthidae'
- 'Hesperorthis belongs to Hesperorthinae'
- 'Hesperorthis avalanchensis belongs to Hesperorthis'
- 'Hesperorthis kessei is recombined as Flabellitesia kessei'
- 'Hesperorthis martinssoni belongs to Hesperorthis' according to Bassett and Cocks 1974
- 'Hindellinae belongs to Meristellidae'
- 'Homoeospirella belongs to Rhynchospirinidae'
- 'Homoeospirella multicostata belongs to Homoeospirella'
- 'Isorthinae belongs to Dalmanellidae'
- 'Isorthis belongs to Isorthinae'
- 'Isorthis (Arcualla) boreaina belongs to Isorthis (Arcualla)' according to Zhang 1989
- 'Isorthis (Arcualla) microscapha belongs to Isorthis (Arcualla)' according to Johnson et al. 1976
- 'Ivdelininae belongs to Gypidulidae'
- 'Janius belongs to Eospiriferinae'
- 'Janius exsul belongs to Janius' according to Barrande 1848
- 'Jonesea belongs to Aegiromeninae'
- 'Jonesea cocksi belongs to Jonesea' according to Zhang 1989
- 'Jonesea undulata belongs to Jonesea'
- 'Jovia belongs to Pentamerinae'
- 'Katastrophomena belongs to Strophomenidae'
- 'Katastrophomena parvicardinis belongs to Katastrophomena'
- 'Kirkidium belongs to Pentamerinae'
- 'Kozlowskiellina belongs to Kozlowskiellininae'
- 'Kozlowskiellininae belongs to Delthyrididae'
- 'Lamelliconchidium belongs to Conchidiinae'
- 'Lamelliconchidium micropleura belongs to Lamelliconchidium' according to Johnson et al. 1976
- 'Lamelliconchidium tchergense belongs to Lamelliconchidium' according to Kulkov 1968
- 'Leangella belongs to Leptestiidae'
- 'Lenatoechia belongs to Rostricellulinae'
- 'Lepidocycloides belongs to Rostricellulinae'
- 'Lepidoleptaena belongs to Leptaenidae'
- 'Lepidoleptaena poulseni belongs to Lepidoleptaena'
- 'Leptaena belongs to Leptaenidae'
- 'Leptaena depressa kathekta belongs to Leptaena depressa' according to Bassett 1974
- 'Leptaena grayi is recombined as Jonesea grayi'
- 'Leptaena profunda is recombined as Brachyprion (Protomegastrophia) profunda'
- 'Leptaenidae belongs to Strophomenoidea'
- 'Leptellina belongs to Leptellinidae'
- 'Leptellina (Merciella) mackenziensis belongs to Leptellina (Merciella)'
- 'Leptellina (Merciella) vesper belongs to Leptellina (Merciella)' according to Lamont and Gilbert 1945
- 'Leptellinidae belongs to Plectambonitoidea'
- 'Leptestiidae belongs to Plectambonitoidea'
- 'Levigatella belongs to Levigatellinae'
- 'Levigatellinae belongs to Gypidulidae'
- 'Liljevallia belongs to Leptaenidae'
- 'Liljevallia amorpha belongs to Liljevallia' according to Zhang 1989
- 'Liljevallia gotlandica belongs to Liljevallia' according to Hedstrom 1917
- 'Lissatrypidae belongs to Atrypoidea'
- 'Lissatrypinae belongs to Lissatrypidae'
- 'Lissocoelina belongs to Pentamerinae'
- 'Merista belongs to Meristinae'
- 'Merista cuneatina belongs to Merista'
- 'Merista fabulosa belongs to Merista' according to Kulkov 1974
- 'Merista oklahomensis belongs to Merista' according to Amsden 1953
- 'Merista tennesseensis belongs to Merista' according to Hall and Clarke 1894
- 'Meristellidae belongs to Athyroidea'
- 'Meristina australis is recombined as Atrypoidea australis'
- 'Meristinae belongs to Meristellidae'
- 'Microbilobata belongs to Centronellidina'
- 'Microbilobata avalanchensis belongs to Microbilobata' according to Jin and Chatterton 1996
- 'Microsphaeridiorhynchus belongs to Trigonirhynchiinae'
- 'Moorefieldella belongs to Rostricellulinae'
- 'Morinorhynchus belongs to Fardeniidae'
- 'Morinorhynchus dalmanelliformis belongs to Morinorhynchus' according to Havlicek 1965
- 'Morinorhynchus miniparvicostellus belongs to Morinorhynchus' according to Zhang 1989
- 'Myrmirhynx belongs to Trigonirhynchiinae'
- 'Nasonirhynchia belongs to Trigonirhynchiinae'
- 'Nekhoroshevia belongs to Rostricellulinae'
- 'Nucleospira belongs to Nucleospiridae'
- 'Nucleospira lentilca belongs to Nucleospira' according to Havlicek 1990
- 'Nucleospiridae belongs to Athyroidea'
- 'Nymphorhynchia belongs to Rostricellulinae'
- 'Orthida belongs to Articulata'
- 'Orthis (Dalmanella) arcuaria is recombined as Isorthis (Arcualla) arcuaria'
- 'Orthis bisulcata is recombined as Cyclospira bisulcata'
- 'Orthis bouchardi is recombined as Ptychopleurella bouchardi'
- 'Orthis interplicata is recombined as Dolerorthis interplicata'
- 'Orthis lunata is recombined as Salopina lunata'
- 'Orthis testudinaria is recombined as Dalmanella testudinaria'
- 'Orthis tricenaria is recombined as Hesperorthis tricenaria'
- 'Orthoidea belongs to Orthida'
- 'Pentamerida belongs to Articulata'
- 'Pentameridae belongs to Pentameroidea'
- 'Pentamerifera belongs to Pentamerinae'
- 'Pentamerinae belongs to Pentameridae'
- 'Pentameroidea belongs to Pentamerida'
- 'Pentameroides belongs to Pentameroidinae'
- 'Pentameroidinae belongs to Pentameridae'
- 'Pentamerus belongs to Pentamerinae'
- 'Pentamerus optatus is recombined as Gypidulina optatus'
- 'Pentlandina belongs to Strophomenidae'
- 'Pentlandina harperi belongs to Pentlandina' according to Zhang 1989
- 'Pentlandina lamelliformis belongs to Pentlandina'
- 'Pholidostrophia belongs to Pholidostrophidae'
- 'Pholidostrophia (Mesopholidostrophia) belongs to Pholidostrophia' according to Williams 1950
- 'Pholidostrophia (Mesopholidostrophia) lamellosa belongs to Pholidostrophia (Mesopholidostrophia)' according to Zhang 1989
- 'Pholidostrophidae belongs to Strophomenida'
- 'Platystrophia belongs to Platystrophiinae'
- 'Platystrophia orbiculoidea belongs to Platystrophia'
- 'Platystrophiinae belongs to Plectorthidae'
- 'Plectambonites papillosa is recombined as Chonetoidea papillosa'
- 'Plectambonitoidea belongs to Strophomenida'
- 'Plectatrypa belongs to Atrypidae'
- 'Plectatrypa unicosta belongs to Plectatrypa' according to Zhang 1989
- 'Plectorthidae belongs to Orthoidea'
- 'Protochonetes belongs to Devonochonetinae'
- 'Protochonetes ludlovensis belongs to Protochonetes' according to Muir-Wood 1962
- 'Ptychomaletoechia belongs to Rostricellulinae'
- 'Ptychopleurella belongs to Dolerorthinae'
- 'Ptychopleurella angulaticostata belongs to Ptychopleurella'
- 'Ptychopleurella lenzi belongs to Ptychopleurella' according to Zhang 1989
- 'Reticularia septentrionalis is recombined as Pentameroides septentrionalis' according to Whiteaves 1904
- 'Reticularia septentrionalis is recombined as Pentameroides septentrionalis'
- 'Reticulariidae belongs to Reticularioidea'
- 'Reticularioidea belongs to Spiriferidina'
- 'Retziidina belongs to Spiriferida'
- 'Reveroides belongs to Pentameroidinae'
- 'Rhynchonella (Stegerhynchus) was reranked as Stegerhynchus and belongs to Rhynchotrematidae'
- 'Rhynchonellida belongs to Articulata'
- 'Rhynchonelloidea belongs to Rhynchonellida'
- 'Rhynchospirinidae belongs to Retziidina'
- 'Rhynchotrematidae belongs to Rhynchonelloidea'
- 'Rhynchotreta belongs to Rostricellulinae'
- 'Rhynchotreta americaniformis belongs to Rhynchotreta' according to Zhang 1989
- 'Rhynchotreta thebesensis is recombined as Thebesia thebesensis'
- 'Rostricellula belongs to Rostricellulinae'
- 'Rostricellulinae belongs to Trigonirhynchiidae'
- 'Salopina belongs to Draboviidae'
- 'Salopina delta belongs to Salopina' according to Johnson et al. 1976
- 'Sapelnikovia is a subjective synonym of Reveroides'
- 'Septatrypa belongs to Septatrypinae'
- 'Septatrypa secreta belongs to Septatrypa' according to Kozlowski 1929
- 'Septatrypa zelia belongs to Septatrypa' according to Barrande 1879
- 'Septatrypinae belongs to Lissatrypidae'
- 'Severella belongs to Stricklandistrophiidae'
- 'Severella arctosulcata belongs to Severella' according to Zhang 1989
- 'Shagamella belongs to Anopliidae'
- 'Shagamella ludlovensis belongs to Shagamella' according to Boucot and Harper 1968
- 'Sieberellinae belongs to Gypidulidae'
- 'Sinotectirostrum belongs to Trigonirhynchiinae'
- 'Skenidioidae belongs to Orthoidea'
- 'Skenidioides belongs to Skenidioidae'
- 'Skenidioides operosa belongs to Skenidioides' according to Johnson et al. 1976
- 'Sowerbyellidae belongs to Plectambonitoidea'
- 'Sowerbyellinae belongs to Sowerbyellidae'
- 'Spirifer nobilis is recombined as Janius nobilis'
- 'Spirifer ventricosus is recombined as Nucleospira ventricosus'
- 'Spiriferacea is corrected as Spiriferoidea and belongs to Spiriferidina'
- 'Spiriferida belongs to Articulata'
- 'Spiriferidina belongs to Spiriferida'
- 'Spirigerina belongs to Atrypidae'
- 'Spirigerina copperi belongs to Spirigerina' according to Zhang 1989
- 'Spirinella belongs to Reticulariidae'
- 'Spirinella caecistriata belongs to Spirinella' according to Johnston 1941
- 'Spirinella struszi belongs to Spirinella' according to Zhang 1989
- 'Spirinella tureki belongs to Spirinella' according to Havlicek 1990
- 'Stenorhynchia belongs to Trigonirhynchiinae'
- 'Stenorhynchites belongs to Trigonirhynchiinae'
- 'Stricklandistrophiidae belongs to Pentameroidea'
- 'Stropheodontidae belongs to Stropheodontoidea'
- 'Stropheodontoidea belongs to Strophomenida'
- 'Strophomena antiquata woodlandensis is recombined as Katastrophomena woodlandensis'
- 'Strophomena crispa is recombined as Morinorhynchus crispus' according to Lindström 1861
- 'Strophomena leda is recombined as Brachyprion leda'
- 'Strophomena rhomboidalis lepidula belongs to Strophomena rhomboidalis' according to Barrande 1879
- 'Strophomenida belongs to Articulata'
- 'Strophomenidae belongs to Strophomenoidea'
- 'Strophomenoidea belongs to Strophomenida'
- 'Sufetirhyncha belongs to Trigonirhynchiinae'
- 'Terebratula biforatus is recombined as Platystrophia biforatus'
- 'Terebratula borealis is recombined as Rhynchonella borealis' according to Davidson 1867
- 'Terebratula borealis is recombined as Stegerhynchus borealis'
- 'Terebratula borealis is recombined as Camarotoechia borealis' according to Joseph 1937
- 'Terebratula didyma is recombined as Didymothyris didyma'
- 'Terebratula herculea is recombined as Merista herculea'
- 'Terebratula imbricata is recombined as Plectatrypa imbricata'
- 'Terebratula linguata belongs to Terebratula' according to von Buch 1834
- 'Terebratula linguata is recombined as Atrypoidea linguata'
- 'Terebratula marginalis is recombined as Spirigerina marginalis'
- 'Terebratulida belongs to Articulata'
- 'Thebesia belongs to Rostricellulinae'
- 'Thebesia crassicostata belongs to Thebesia'
- 'Trigonirhynchia belongs to Trigonirhynchiinae'
- 'Trigonirhynchiidae belongs to Rhynchonelloidea'
- 'Trigonirhynchiinae belongs to Trigonirhynchiidae'
- 'Triplesiidae belongs to Triplesioidea'
- 'Triplesioidea belongs to Orthida'
- 'Virgianidae belongs to Pentameroidea'
- 'Virginiata belongs to Trigonirhynchiinae'
- 'Vosmiverstum belongs to Conchidiinae'
- 'Vosmiverstum breiveli belongs to Vosmiverstum' according to Zhang 1989
- 'Whitfieldella belongs to Hindellinae'
- 'Wilsoniella belongs to Rostricellulinae'
- 'Zygospira putilla is recombined as Eospirigerina putilla'