Opinions from K.W. Ciriacks 1963
- 'Allorisma wyomingensis belongs to Allorisma' according to Branson 1930
- 'Allorisma wyomingensis is recombined as Wilkingia wyomingensis'
- 'Anodontophora breviformis is recombined as Unionites breviformis'
- 'Anodontophora breviformis belongs to Anodontophora' according to Spath 1935
- 'Astartella subquadrata belongs to Astartella'
- 'Aviculopecten alatus belongs to Aviculopecten' according to Branson 1930
- 'Aviculopecten alatus is a subjective synonym of Cyrtorostra varicostata'
- 'Aviculopecten alternatus belongs to Aviculopecten' according to Branson 1930
- 'Aviculopecten alternatus is a subjective synonym of Cyrtorostra varicostata'
- 'Aviculopecten basilicus belongs to Aviculopecten' according to Newell 1937
- 'Aviculopecten basilicus belongs to Aviculopecten'
- 'Aviculopecten delawarensis belongs to Aviculopecten' according to Girty 1908
- 'Aviculopecten delawarensis is recombined as Acanthopecten delawarensis'
- 'Aviculopecten girtyi belongs to Aviculopecten' according to Newell 1937
- 'Aviculopecten girtyi belongs to Aviculopecten'
- 'Aviculopecten gryphus belongs to Aviculopecten' according to Newell 1937
- 'Aviculopecten gryphus belongs to Aviculopecten'
- 'Aviculopecten guadalupensis belongs to Aviculopecten' according to Girty 1908
- 'Aviculopecten guadalupensis is recombined as Streblochondria guadalupensis'
- 'Aviculopecten montpelierensis is recombined as Streblochondria montpelierensis'
- 'Aviculopecten phosphaticus belongs to Aviculopecten'
- 'Aviculopecten sublaqueatus is recombined as Girtypecten sublaqueatus'
- 'Aviculopecten vanvleeti belongs to Aviculopecten'
- 'Camptonectes sculptilis belongs to Camptonectes'
- 'Celtoides unioniformis belongs to Celtoides'
- 'Claraia extrema belongs to Claraia' according to Spath 1935
- 'Claraia extrema belongs to Claraia'
- 'Claraia mulleri belongs to Claraia' according to Newell and Kummel 1942
- 'Claraia mulleri belongs to Claraia'
- 'Claraia stachei belongs to Claraia'
- 'Cyrtorostra sexradiata belongs to Cyrtorostra' according to Branson 1930
- 'Cyrtorostra sexradiata is recombined as Cassianella sexradiata'
- 'Cyrtorostra varicostata belongs to Cyrtorostra'
- 'Deltopecten sexradiata is recombined as Costatoria sexradiata'
- 'Deltopecten sexradiata belongs to Deltopecten' according to Branson 1930
- 'Edmondia gibbosa belongs to Edmondia'
- 'Edmondia gibbosa belongs to Edmondia' according to Swallow 1858
- 'Edmondia phosphatica belongs to Edmondia' according to Girty 1910
- 'Edmondia phosphatica belongs to Edmondia'
- 'Eoastarte subcircularis belongs to Eoastarte'
- 'Eumorphotis amplicostata belongs to Eumorphotis'
- 'Gervilleia ussurica belongs to Gervilleia' according to Kiparisova 1938
- 'Grammysia carbonaria belongs to Grammysia' according to Girty 1910
- 'Grammysia carbonaria is recombined as Sanguinolites carbonaria'
- 'Leda bellistriata is recombined as Polidevcia bellistriata'
- 'Monotis thaynesiana belongs to Monotis'
- 'Myacites fassaensis is recombined as Unionites fassaensis'
- 'Myalina (Myalinella) belongs to Myalina'
- 'Myalina meeki belongs to Myalina' according to Dunbar 1924
- 'Myalina meeki is recombined as Myalina (Myalinella) meeki'
- 'Myalina postcarbonica is recombined as Mytilus postcarbonica'
- 'Myalina putiatinensis [misspelled as Promyalina putiatensis] belongs to Promyalina'
- 'Myalina sinuata belongs to Myalina' according to Branson 1930
- 'Myalina sinuata is recombined as Myalina (Myalina) sinuata'
- 'Myalina spathi is recombined as Promyalina spathi'
- 'Myalina spathi belongs to Myalina' according to Newell and Kummel 1942
- 'Nucula montpelierensis is recombined as Nuculopsis montpelierensis'
- 'Nucula poposiensis is recombined as Nuculopsis poposiensis'
- 'Nucula poposiensis belongs to Nucula' according to Branson 1930
- 'Nucula pulchella belongs to Nucula' according to Branson 1930
- 'Nucula pulchella is a subjective synonym of Nucula poposiensis'
- 'Nuculana obesa is recombined as Polidevcia obesa'
- 'Palaeoneilo parviradiatus belongs to Palaeoneilo'
- 'Parallelodon multistriatus belongs to Parallelodon' according to Girty 1908
- 'Pecten coloradoensis is recombined as Acanthopecten coloradoensis'
- 'Pleurophorus albequus is recombined as Permophorus albequus'
- 'Pleurophorus bregeri is recombined as Permophorus bregeri'
- 'Pleurophorus pinnaformis belongs to Pleurophorus' according to Branson 1930
- 'Pleurophorus pinnaformis is a nomen vanum'
- 'Pleurophorus pricei belongs to Pleurophorus' according to Branson 1930
- 'Pleurophorus pricei is recombined as Permophorus pricei'
- 'Pleurophorus rotundus is a subjective synonym of Pleurophorus bregeri'
- 'Pleurophorus similis is a subjective synonym of Pleurophorus bregeri'
- 'Posidonomya clarae is recombined as Claraia clarai'
- 'Posidonomya clarae belongs to Posidonomya' according to Emmrich 1844
- 'Pseudomonotis multiformis is recombined as Eumorphotis multiformis'
- 'Pseudopermophorus belongs to Permophoridae'
- 'Pseudopermophorus annettae belongs to Pseudopermophorus'
- 'Sanguinolites elongatus belongs to Sanguinolites'
- 'Schizodus bifidus belongs to Schizodus'
- 'Schizodus canalis belongs to Schizodus'
- 'Schizodus canalis belongs to Schizodus' according to Branson 1930
- 'Schizodus concinnus is recombined as Scaphellina concinnus'
- 'Schizodus ferrieri belongs to Schizodus'
- 'Schizodus phosphoriensis is recombined as Scaphellina phosphoriensis'
- 'Schizodus phosphoriensis belongs to Schizodus' according to Branson 1930
- 'Schizodus subovatus belongs to Schizodus'
- 'Streblochondria tubicostata belongs to Streblochondria'
- 'Tellina canalensis is recombined as Unionites canalensis'
- 'Trigonia laevigata is recombined as Myophoria laevigata'
- 'Yoldia mcchesneyana is recombined as Palaeoneilo mcchesneyana'