Opinions from J. S. Cullison 1944
- 'Aphetoceras ozarkensis belongs to Aphetoceras'
- 'Archaeoscyphia annulata belongs to Archaeoscyphia'
- 'Bolbocephalus jeffersonensis belongs to Bolbocephalus'
- 'Bolbocephalus stclairi belongs to Bolbocephalus'
- 'Campbelloceras simplex belongs to Campbelloceras'
- 'Ceratopea ankylosa belongs to Ceratopea'
- 'Ceratopea capuliformis belongs to Ceratopea'
- 'Ceratopea inflata belongs to Ceratopea'
- 'Ceratopea jenkinensis belongs to Ceratopea'
- 'Ceratopea jonesi belongs to Ceratopea'
- 'Cyptendoceras magnus belongs to Cyptendoceras'
- 'Dyscritoceras jeffersonensis belongs to Dyscritoceras'
- 'Eotomaria depressa belongs to Eotomaria'
- 'Helicotoma peccatonica is recombined as Polhemia peccatonica'
- 'Hormotoma cotterensis belongs to Hormotoma'
- 'Hormotoma dubia belongs to Murchisonia (Hormotoma)'
- 'Hormotoma lutiensis belongs to Murchisonia (Hormotoma)'
- 'Hormotoma powellensis belongs to Murchisonia (Hormotoma)'
- 'Jeffersonia crassimarginata belongs to Jeffersonia'
- 'Jeffersonia jenni belongs to Jeffersonia'
- 'Jeffersonia mediacrista belongs to Jeffersonia'
- 'Lesueurilla grandis belongs to Lesueurilla'
- 'Lesueurilla isabellaensis belongs to Lesueurilla'
- 'Lesueurilla magna belongs to Lesueurilla'
- 'Lesueurilla planidorsalis belongs to Lesueurilla'
- 'Lesueurilla supraconvexa belongs to Lesueurilla'
- 'Lutesvillia bispinosa belongs to Lutesvillia'
- 'Ophileta sculpta belongs to Ophileta'
- 'Orospira conica belongs to Orospira'
- 'Orospira depressa belongs to Orospira'
- 'Orospira elegantula belongs to Orospira'
- 'Orospira elevata belongs to Orospira'
- 'Orospira gainesvillensis belongs to Orospira'
- 'Polhemia belongs to Helicotominae'
- 'Polhemia taneyensis belongs to Polhemia'
- 'Polytoechia inaequistriata belongs to Polytoechia'
- 'Proplina elongata belongs to Proplina'
- 'Proplina grandis belongs to Proplina'
- 'Rananasus brevicephalus belongs to Rananasus'
- 'Raphistomina inflata belongs to Raphistomina'
- 'Rollia goodwini belongs to Rollia'