Opinions from J. G. Johnson 1970
- 'Aesopomum belongs to Schuchertellinae'
- 'Aesopomum varistriatus belongs to Aesopomum'
- 'Anastrophia magnifica belongs to Anastrophia' according to Kozlowski 1929
- 'Anastrophia magnifica belongs to Anastrophia'
- 'Ancillotoechia aptata belongs to Ancillotoechia'
- 'Anoplia elongata belongs to Anoplia'
- 'Atrypa acutiplicata is recombined as Leptocoelina acutiplicata'
- 'Atrypa nevadana belongs to Atrypa'
- 'Atrypa supramarginalis belongs to Atrypa' according to Khalfin 1948
- 'Atrypa supramarginalis is recombined as Spirigerina supramarginalis'
- 'Atrypina simpsoni belongs to Atrypina'
- 'Brachyprion mirabilis belongs to Brachyprion'
- 'Brachyspirifer pinyonoides belongs to Brachyspirifer'
- 'Chonetes filistriata is recombined as Strophochonetes filistriata'
- 'Chonetes macrostriata is recombined as Parachonetes macrostriatus'
- 'Coelospira pseudocamilla belongs to Coelospira'
- 'Cortezorthis cortezensis belongs to Cortezorthis'
- 'Cortezorthis cortezensis belongs to Cortezorthis' according to Johnson and Talent 1967
- 'Cyrtina varia belongs to Cyrtina' according to Clarke 1900
- 'Cyrtina varia belongs to Cyrtina'
- 'Cyrtinaella causa belongs to Cyrtinaella'
- 'Delthyris audacula belongs to Delthyris' according to Conrad 1842
- 'Delthyris audacula is recombined as Brachyspirifer audaculus' according to Cooper 1944
- 'Delthyris audacula is recombined as Mediospirifer audaculus'
- 'Delthyris raricosta belongs to Delthyris' according to Conrad 1842
- 'Delthyris raricosta is recombined as Spirifera raricosta' according to Hall 1867
- 'Delthyris raricosta is recombined as Megakozlowskiella raricosta'
- 'Discomyorthis belongs to Orthida'
- 'Dyticospirifer belongs to Delthyridinae'
- 'Dyticospirifer mccolleyensis belongs to Dyticospirifer'
- 'Eurekaspirifer belongs to Spinellinae'
- 'Gypidula loweryi belongs to Gypidula'
- 'Gypidula praeloweryi belongs to Gypidula'
- 'Howellella textilis belongs to Howellella'
- 'Isorthis amplificata is recombined as Tyersella amplificata'
- 'Leptaena acuticuspidata belongs to Leptaena'
- 'Leptaena bohemica belongs to Leptaena' according to Barrande 1848
- 'Leptaena bohemica is recombined as Strophonella bohemica'
- 'Leptocoelia infrequens globosa belongs to Leptocoelia infrequens'
- 'Leptocoelia murphyi belongs to Leptocoelia'
- 'Leptocoelina belongs to Leptocoeliidae'
- 'Leptocoelina squamosa belongs to Leptocoelina'
- 'Leptostrophia inequicostella belongs to Leptostrophia'
- 'Levenea fagerholmi belongs to Levenea'
- 'Levenea navicula belongs to Levenea'
- 'Mclearnites invasor belongs to Mclearnites'
- 'Megakozlowskiella magnapleura belongs to Megakozlowskiella'
- 'Megastrophia transitans belongs to Megastrophia'
- 'Meristella robertsensis belongs to Meristella'
- 'Muriferella masurskyi belongs to Muriferella' according to Johnson and Talent 1967
- 'Muriferella masurskyi belongs to Muriferella'
- 'Nucleospira subsphaerica belongs to Nucleospira'
- 'Orthis musculosa is recombined as Discomyorthis musculosa'
- 'Orthostrophella monitorensis belongs to Orthostrophella'
- 'Pentamerus problematicus belongs to Pentamerus' according to Barrande 1847
- 'Pentamerus problematicus is recombined as Sieberella problematica'
- 'Pentamerus pseudogaleatus is recombined as Gypidula pseudogaleata'
- 'Phragmostrophia merriami belongs to Phragmostrophia' according to Harper et al. 1967
- 'Phragmostrophia merriami belongs to Phragmostrophia'
- 'Pleiopleurina anticlastica belongs to Pleiopleurina'
- 'Plicoplasia cooperi belongs to Plicoplasia'
- 'Protocortezorthis windmillensis belongs to Protocortezorthis' according to Johnson and Talent 1967
- 'Protocortezorthis windmillensis belongs to Protocortezorthis'
- 'Pseudoparazyga belongs to Retziidae'
- 'Quadrithyris was reranked as Delthyris (Quadrithyris) and belongs to Delthyris' according to Havlicek 1959
- 'Rhynchonella occidens is recombined as Trigonirhynchia occidens'
- 'Schizophoria nevadaensis belongs to Schizophoria'
- 'Schizophoria parafragilis belongs to Schizophoria'
- 'Schuchertella nevadaensis belongs to Schuchertella'
- 'Sieberella pyriforma belongs to Sieberella'
- 'Spinella talenti belongs to Spinella'
- 'Spinellinae belongs to Delthyrididae'
- 'Spinoplasia roeni belongs to Spinoplasia'
- 'Spirifer (Trigonotreta) pinonensis is recombined as Acrospirifer pinyonensis' according to Cooper 1944
- 'Spirifer (Trigonotreta) pinonensis is recombined as Eurekaspirifer pinyonensis'
- 'Spirifer kobehana is recombined as Acrospirifer kobehana'
- 'Spirifer minuens is recombined as Delthyris (Quadrithyris) minuens' according to Havlicek 1959
- 'Spirifer minuens is recombined as Quadrithyris minuens'
- 'Spirifer minuens belongs to Spirifer' according to Barrande 1879
- 'Spirifer paucicostatus is recombined as Metaplasia paucicostata'
- 'Spirifer perforatus is recombined as Trematospira perforata' according to Hall 1861
- 'Spirifer perforatus is recombined as Trematospira perforata'
- 'Spirifera murchisoni is recombined as Spirifer murchisoni' according to Williams and Breger 1916
- 'Spirifera murchisoni is recombined as Acrospirifer murchisoni' according to Cooper 1944
- 'Spirifera murchisoni is recombined as Acrospirifer murchisoni'
- 'Spirifera murchisoni belongs to Spirifera' according to Castelneau 1843
- 'Stropheodonta filicosta belongs to Stropheodonta'
- 'Stropheodonta iddingsi is recombined as Megastrophia iddingsi'
- 'Stropheodonta magnacosta belongs to Stropheodonta'
- 'Strophomena (Strophodonta) beckii belongs to Strophomena (Strophodonta)' according to Hall 1857
- 'Strophomena (Strophodonta) beckii is recombined as Leptostrophia beckii'
- 'Strophomena (Strophodonta) beckii is recombined as Rhytistrophia beckii' according to Cooper 1944
- 'Strophomena aesopea belongs to Strophomena' according to Barrande 1879
- 'Strophomena aesopea belongs to Strophomena' according to Havlicek 1965
- 'Strophomena punctulifera belongs to Strophomena' according to Conrad 1838
- 'Strophomena punctulifera is recombined as Strophonella punctulifera'
- 'Strophomena varistriata is recombined as Mesodouvillina varistriata'
- 'Terebratula proserpina is recombined as Astutorhyncha proserpina'
- 'Toquimaella kayi belongs to Toquimaella'
- 'Trematospira cooperi is recombined as Pseudoparazyga cooperi'
- 'Trematospira infrequens is recombined as Leptocoelia infrequens'