Opinions from C. W. Wright 1979
- 'Allocrioceras belongs to Anisoceratidae'
- 'Allocrioceras billinghursti belongs to Allocrioceras'
- 'Allocrioceras strangulatum belongs to Allocrioceras'
- 'Allocrioceras woodsi belongs to Allocrioceras' according to Spath 1926
- 'Allocrioceras woodsi is a subjective synonym of Allocrioceras angustum'
- 'Ammonites bladenensis is recombined as Otoscaphites bladenensis'
- 'Ammonites bravaisianus belongs to Ammonites' according to d'Orbigny 1841
- 'Ammonites bravaisianus is a subjective synonym of Subprionocyclus neptuni'
- 'Ammonites neptuni is recombined as Subprionocyclus neptuni'
- 'Ancyloceras cuvieri belongs to Ancyloceras' according to Schluter 1872
- 'Ancyloceras cuvieri is recombined as Allocrioceras cuvieri'
- 'Anisoceras belongs to Anisoceratidae'
- 'Anisoceras reidi belongs to Anisoceras'
- 'Anisoceratidae belongs to Turrilitaceae'
- 'Baculites belongs to Baculitidae'
- 'Baculites bohemica is recombined as Sciponoceras bohemicum'
- 'Baculites undulatus belongs to Baculites' according to d'Orbigny 1850
- 'Baculites undulatus belongs to Baculites'
- 'Baculitidae belongs to Turrilitaceae'
- 'Desmoceras marlowense belongs to Desmoceras' according to Noble 1911
- 'Desmoceras marlowense is a subjective synonym of Pseudojacobites farmeryi'
- 'Didymoceras belongs to Nostoceratinae'
- 'Hamites angustus belongs to Hamites' according to Sowerby 1850
- 'Hamites angustus is recombined as Allocrioceras angustum'
- 'Hamites geinitzii belongs to Hamites' according to d'Orbigny 1850
- 'Hamites geinitzii is a subjective synonym of Allocrioceras angustum'
- 'Hamites multinodosus belongs to Hamites' according to Schluter 1872
- 'Hamites multinodosus is recombined as Neocrioceras (Schlueterella) multinodosum'
- 'Hamites reussianus is recombined as Hyphantoceras reussianum'
- 'Hamitidae belongs to Turrilitaceae'
- 'Helicoceras annulifer belongs to Helicoceras' according to Roemer 1870
- 'Helicoceras annulifer is a subjective synonym of Hyphantoceras reussianum'
- 'Heteroceras woodsi belongs to Heteroceras' according to Kitchin 1922
- 'Heteroceras woodsi is a subjective synonym of Didymoceras saxonicum'
- 'Hyphantoceras belongs to Nostoceratinae'
- 'Lewesiceras belongs to Pachydiscidae'
- 'Lewesiceras lenesicense is a subjective synonym of Lewesiceras mantelli'
- 'Lewesiceras mantelli belongs to Lewesiceras'
- 'Lewesiceras romani belongs to Lewesiceras' according to Sornay 1964
- 'Lewesiceras romani is a subjective synonym of Lewesiceras mantelli'
- 'Lewesiceras woodi belongs to Lewesiceras'
- 'Metaptychoceras belongs to Hamitidae'
- 'Neocrioceras belongs to Anisoceratidae'
- 'Neocrioceras (Schlueterella) belongs to Neocrioceras'
- 'Nostoceratidae was reranked as the subfamily Nostoceratinae and belongs to Turrilitidae'
- 'Oregoniceras is a subjective synonym of Subprionocyclus'
- 'Oregoniceras normale is recombined as Subprionocyclus normalis'
- 'Otoscaphites belongs to Otoscaphitinae'
- 'Otoscaphites reidi belongs to Otoscaphites'
- 'Otoscaphitinae belongs to Scaphitidae'
- 'Pachydiscus cricki belongs to Pachydiscus' according to Spath 1926
- 'Pachydiscus cricki is replaced by Lewesiceras mantelli'
- 'Pachydiscus farmeryi belongs to Pachydiscus' according to Crick 1910
- 'Pachydiscus farmeryi is recombined as Pseudojacobites farmeryi'
- 'Pachydiscus rhodanicus belongs to Pachydiscus' according to Roman and Mazeran 1913
- 'Pachydiscus rhodanicus is recombined as Tongoboryceras rhodanicum'
- 'Prionocyclus hitchinensis is recombined as Subprionocyclus hitchinensis'
- 'Prionotropis branneri is recombined as Subprionocyclus branneri'
- 'Prionotropis cristatus is a subjective synonym of Subprionocyclus branneri'
- 'Pseudojacobites belongs to Pachydiscidae'
- 'Pseudopuzosia is a subjective synonym of Pseudojacobites'
- 'Ptychoceras smithi belongs to Ptychoceras' according to Woods 1896
- 'Ptychoceras smithi is recombined as Metaptychoceras smithi'
- 'Puzosia belongs to Puzosiinae'
- 'Puzosia curvatisulcata belongs to Puzosia'
- 'Puzosia gaudemarisi is a subjective synonym of Puzosia curvatisulcata'
- 'Puzosia orientale is a subjective synonym of Puzosia curvatisulcata'
- 'Puzosiinae belongs to Desmoceratidae'
- 'Scaphites belongs to Scaphitinae'
- 'Scaphites diana belongs to Scaphites'
- 'Scaphites geinitzii belongs to Scaphites'
- 'Scaphites geinitzii intermedius belongs to Scaphites geinitzii' according to Scupin 1913
- 'Scaphites geinitzii intermedius belongs to Scaphites geinitzii'
- 'Scaphites geinitzii laevior belongs to Scaphites geinitzii'
- 'Scaphites kieslingswaldensis belongs to Scaphites' according to Langenhan and Grundey 1891
- 'Scaphites kieslingswaldensis belongs to Scaphites'
- 'Scaphites lamberti belongs to Scaphites'
- 'Scaphites lamberti belongs to Scaphites' according to de Grossouvre 1894
- 'Scaphites lamberti doylei belongs to Scaphites lamberti'
- 'Scaphites pseudoaequalis belongs to Scaphites' according to Yabe 1910
- 'Scaphites pseudoaequalis belongs to Scaphites'
- 'Scaphitinae belongs to Scaphitidae'
- 'Schloenbachia knighteni is a subjective synonym of Subprionocyclus neptuni'
- 'Schloenbachia siskiyouensis is a subjective synonym of Subprionocyclus neptuni'
- 'Sciponoceras belongs to Baculitidae'
- 'Subprionocyclus belongs to Collignoniceratidae'
- 'Tongoboryceras belongs to Pachydiscidae'
- 'Turrilites saxonicus is recombined as Didymoceras saxonicum'
- 'Turrilitidae belongs to Turrilitaceae'