Opinions from W. J. Arkell et al. 1957
- 'Agoniatites belongs to Agoniatitidae'
- 'Agoniatitidae belongs to Anarcestaceae'
- 'Ammonitida belongs to Ammonoidea'
- 'Ammonoidea belongs to Cephalopoda'
- 'Anarcestes belongs to Anarcestinae'
- 'Anarcestes (Anarcestes) belongs to Anarcestes'
- 'Anarcestes (Anarcestes) belongs to Anarcestes' according to Mojsisovics 1882
- 'Anarcestidae belongs to Anarcestaceae'
- 'Anarcestina belongs to Ammonoidea'
- 'Anarcestinae belongs to Anarcestidae'
- 'Anetoceras belongs to Mimosphinctinae'
- 'Ceratitina belongs to Ammonoidea'
- 'Clymeniina belongs to Ammonoidea'
- 'Clymenoceras belongs to Prolobitidae'
- 'Foordites belongs to Pinacitinae'
- 'Goniatitina belongs to Ammonoidea'
- 'Gyroceratites belongs to Mimoceratinae'
- 'Latanarcestes was reranked as Anarcestes (Latanarcestes) and belongs to Anarcestes'
- 'Lytoceratida belongs to Ammonoidea'
- 'Maenioceras belongs to Pinacitinae'
- 'Mimagoniatites belongs to Agoniatitidae'
- 'Mimoceratidae belongs to Anarcestaceae'
- 'Mimoceratinae belongs to Mimoceratidae'
- 'Mimosphinctes belongs to Mimosphinctinae'
- 'Mimosphinctinae belongs to Mimoceratidae'
- 'Palaeogoniatites belongs to Mimosphinctinae'
- 'Paraphyllites belongs to Agoniatitidae'
- 'Parodicerellum belongs to Pinacitinae'
- 'Phylloceratina belongs to Ammonoidea'
- 'Pinacites belongs to Pinacitinae'
- 'Pinacitinae belongs to Anarcestidae'
- 'Prolecanitina belongs to Ammonoidea'
- 'Prolobitaceae belongs to Anarcestina'
- 'Prolobites belongs to Prolobitidae'
- 'Prolobitidae belongs to Prolobitaceae'
- 'Prolobitinae belongs to Prolobitidae'
- 'Pseudarietites belongs to Sandbergeroceratinae'
- 'Sandbergeroceras belongs to Sandbergeroceratinae'
- 'Sandbergeroceratinae belongs to Prolobitidae'
- 'Schindewolfoceras belongs to Sandbergeroceratinae'
- 'Sellanarcestes belongs to Anarcestinae'
- 'Sobolewia belongs to Prolobitidae'
- 'Subanarcestes belongs to Anarcestinae'
- 'Wedekindella belongs to Pinacitinae'
- 'Werneroceras belongs to Anarcestinae'