Opinions from J. L. Carter 1967
- 'Acanthoplecta inopinata belongs to Acanthoplecta'
- 'Ambocoelia parva belongs to Ambocoelia' according to Weller 1899
- 'Ambocoelia parva is recombined as Crurithyris parva'
- 'Amesopleura texana belongs to Amesopleura'
- 'Athyris bradyensis belongs to Athyris'
- 'Athyris tenuilineata belongs to Athyris' according to Rowley 1900
- 'Athyris tenuilineata is recombined as Cleiothyridina tenuilineata'
- 'Avonia honeycreekensis belongs to Avonia'
- 'Avonia pustulifera belongs to Avonia' according to Moore 1928
- 'Avonia pustulifera belongs to Avonia'
- 'Brachythyris girtyi belongs to Brachythyris' according to Branson 1938
- 'Brachythyris girtyi is recombined as Eomartiniopsis girtyi'
- 'Camarophorella dorsata belongs to Camarophorella'
- 'Chonetes burlingtonensis is recombined as Rugosochonetes burlingtonensis'
- 'Chonetes ornata is recombined as Plicochonetes ornatus'
- 'Chonetina subcarinata belongs to Chonetina' according to Girty 1926
- 'Chonetina subcarinata is recombined as Anopliopsis subcarinata'
- 'Coledium altisulcatum belongs to Coledium'
- 'Coledium costulatum belongs to Coledium'
- 'Coledium evexum belongs to Coledium'
- 'Coledium undulatum belongs to Coledium'
- 'Coledium vadosulcatum belongs to Coledium'
- 'Cranaena dorsisulcata belongs to Cranaena'
- 'Cranaena hannibalensis belongs to Cranaena' according to Moore 1928
- 'Cranaena hannibalensis belongs to Cranaena'
- 'Cranaena texana belongs to Cranaena'
- 'Crassumbo inornatus belongs to Crassumbo'
- 'Crassumbo turgidus belongs to Crassumbo'
- 'Cyphotalosia masonensis belongs to Cyphotalosia'
- 'Cyrtina burlingtonensis belongs to Cyrtina' according to Rowley 1893
- 'Cyrtina burlingtonensis belongs to Cyrtina'
- 'Delthyris missouriensis belongs to Delthyris' according to Weller 1906
- 'Delthyris missouriensis is recombined as Tylothyris missouriensis'
- 'Dielasma chouteauensis belongs to Dielasma' according to Weller 1914
- 'Dielasma chouteauensis is recombined as Beecheria chouteauensis'
- 'Dielasmella larga belongs to Dielasmella'
- 'Ectochoristites inflatus belongs to Ectochoristites'
- 'Fusella llanoensis belongs to Fusella'
- 'Geniculifera brevicula belongs to Geniculifera'
- 'Girtyella cedarensis belongs to Girtyella' according to Weller 1914
- 'Girtyella cedarensis belongs to Girtyella'
- 'Hamburgia chappelensis belongs to Hamburgia'
- 'Hustedia problematica belongs to Hustedia' according to Girty 1926
- 'Hustedia problematica is recombined as Plectospira problematica'
- 'Hustedia texana belongs to Hustedia' according to Girty 1926
- 'Hustedia texana belongs to Hustedia'
- 'Merista maccullochensis belongs to Merista'
- 'Productus blairi is recombined as Rhytiophora blairi'
- 'Productus calhounensis belongs to Productus' according to Moore 1928
- 'Productus calhounensis is recombined as Rhytiophora calhounensis'
- 'Productus sampsoni is recombined as Productina sampsoni'
- 'Quadratia egregia belongs to Quadratia'
- 'Retichonetes gibberulus belongs to Retichonetes'
- 'Rhipidomella perminuta belongs to Rhipidomella' according to Girty 1926
- 'Rhipidomella perminuta belongs to Rhipidomella'
- 'Rhynchopora sansabensis belongs to Rhynchopora'
- 'Sedenticellula sacra belongs to Sedenticellula' according to Grant 1965
- 'Sedenticellula sacra belongs to Sedenticellula'
- 'Shumardella obsolescens belongs to Shumardella' according to Weller 1910
- 'Shumardella obsolescens belongs to Shumardella'
- 'Spirifer chappelensis belongs to Spirifer'
- 'Spirifer chouteauensis belongs to Spirifer' according to Weller 1909
- 'Spirifer chouteauensis is recombined as Brachythyris chouteauensis'
- 'Spirifer cooperensis belongs to Spirifer' according to Swallow 1860
- 'Spirifer cooperensis is recombined as Reticularia cooperensis'
- 'Spirifer gregeri belongs to Spirifer' according to Weller 1914
- 'Spirifer gregeri belongs to Spirifer'
- 'Spirifera novamexicana belongs to Spirifera' according to Miller 1881
- 'Spirifera novamexicana is recombined as Amesopleura novamexicana'
- 'Spirigera proutii belongs to Spirigera' according to Swallow 1860
- 'Spirigera proutii is recombined as Cleiothyridina prouti'
- 'Tornquistia transversalis belongs to Tornquistia'
- 'Tylothyris brevaurita belongs to Tylothyris'