Opinions from K. Young 1979
- 'Adkinsia belongs to Flickiidae'
- 'Adkinsia knikerae belongs to Adkinsia'
- 'Ammonites bladenensis is recombined as Otoscaphites bladenensis'
- 'Ammonites blancheti belongs to Ammonites' according to Pictet and Campiche 1859
- 'Ammonites circularis belongs to Ammonites' according to J. C. Sowerby 1836
- 'Ammonites circularis is recombined as Eoscaphites circularis'
- 'Ammonites crotaloides belongs to Ammonites' according to Stoliczka 1864
- 'Ammonites crotaloides is recombined as Stoliczkaia (Stoliczkaia) crotaloides'
- 'Ammonites dispar is recombined as Stoliczkaia (Stoliczkaia) dispar'
- 'Ammonites nicaisei belongs to Ammonites' according to Coquand 1862
- 'Ammonites peramplum is recombined as Lewesiceras peramplus'
- 'Ammonites proratus belongs to Ammonites' according to Coquand 1880
- 'Ammonites proratus is recombined as Prionocycloides proratus'
- 'Ammonites rhamnonotus belongs to Ammonites' according to Seeley 1865
- 'Ammonites rhamnonotus is recombined as Stoliczkaia (Faraudiella) rhamnonota'
- 'Barroisiceras hyatti belongs to Barroisiceras' according to Shattuck 1903
- 'Barroisiceras hyatti is recombined as Budaiceras hyatti'
- 'Barroisiceras texanum belongs to Barroisiceras' according to Shattuck 1903
- 'Barroisiceras texanum is recombined as Stoliczkaia (Faraudiella) texana'
- 'Budaiceras belongs to Lyelliceratidae'
- 'Budaiceras alticarinatum belongs to Budaiceras'
- 'Budaiceras francisocensis is recombined as Stoliczkaia (Faraudiella) francisocensis'
- 'Budaiceras mexicanum is a subjective synonym of Budaiceras hyatti'
- 'Eoscaphites belongs to Scaphitinae'
- 'Euhystrichoceras belongs to Schloenbachiidae'
- 'Euhystrichoceras remolinense belongs to Euhystrichoceras'
- 'Ficheuria belongs to Flickiidae'
- 'Ficheuria pernoni belongs to Ficheuria' according to Dubourdieu 1953
- 'Ficheuria pernoni belongs to Ficheuria'
- 'Flickia bosquensis belongs to Flickia' according to Adkins 1920
- 'Flickia bosquensis is recombined as Adkinsia bosquensis'
- 'Forbesiceras belongs to Forbesiceridae'
- 'Forbesiceridae belongs to Hoplitaceae'
- 'Hamites baculoides is recombined as Sciponoceras baculoides'
- 'Mariella belongs to Turrilitidae'
- 'Neopulchellia brundrettei is recombined as Forbesiceras brundrettei'
- 'Phylloceras (Hypophylloceras) was reranked as Hypophylloceras and belongs to Phyllocerinae'
- 'Phylloceras tanit belongs to Phylloceras' according to Pervinquiére 1907
- 'Phylloceras tanit is recombined as Hypophylloceras tanit'
- 'Prionocycloides belongs to Schloenbachiidae'
- 'Puzosia crebrisulcata belongs to Puzosia' according to Kossmat 1898
- 'Puzosia crebrisulcata belongs to Puzosia'
- 'Scaphites hugardianus belongs to Scaphites'
- 'Scaphites subevolutus is recombined as Otoscaphites subevolutus'
- 'Scaphites tenuicostatus belongs to Scaphites' according to Pervinquiére 1910
- 'Scaphites tenuicostatus is recombined as Eoscaphites tenuicostatus'
- 'Schloenbachia frechi belongs to Schloenbachia' according to Lasswitz 1904
- 'Budaiceras frechi is a subjective synonym of Stoliczkaia (Faraudiella) texana'
- 'Schloenbachia roemeri belongs to Schloenbachia' according to Lasswitz 1904
- 'Schloenbachia roemeri is recombined as Budaiceras roemeri' according to Böse 1928
- 'Schloenbachia roemeri is recombined as Stoliczkaia (Faraudiella) roemeri'
- 'Schloenbachia roemeri elegantior belongs to Schloenbachia roemeri' according to Lasswitz 1904
- 'Schloenbachia roemeri elegantior is recombined as Budaiceras elegantior'
- 'Sciponoceras belongs to Baculitidae'
- 'Stoliczkaia belongs to Lyelliceratidae'
- 'Stoliczkaia (Faraudiella) archerae belongs to Stoliczkaia (Faraudiella)'
- 'Stoliczkaia (Faraudiella) borachoensis belongs to Stoliczkaia (Faraudiella)'
- 'Stoliczkaia (Stoliczkaia) belongs to Stoliczkaia'
- 'Stoliczkaia adkinsi belongs to Stoliczkaia' according to Böse 1928
- 'Stoliczkaia adkinsi is recombined as Stoliczkaia (Stoliczkaia) adkinsi'
- 'Stoliczkaia scotti is recombined as Stoliczkaia (Stoliczkaia) scotti'
- 'Turrilites bergeri is recombined as Mariella bergeri'
- 'Turrilites bosquensis belongs to Turrilites'
- 'Turrilites multipunctatus belongs to Turrilites' according to Böse 1923
- 'Turrilites multipunctatus belongs to Turrilites'
- 'Turrilites wysogorskii belongs to Turrilites' according to Lasswitz 1904
- 'Turrilites wysogorskii is recombined as Mariella wysogorskii'