Opinions from J. Wiedmann 1960
- 'Angulithes (Cimomia) schroederi belongs to Angulithes (Cimomia)'
- 'Angulithes (Cimomia) stoliczkai belongs to Angulithes (Cimomia)'
- 'Angulithes (Pseudocenoceras) dorsoplicatus belongs to Angulithes (Pseudocenoceras)'
- 'Angulithes vascogoticus belongs to Angulithes'
- 'Cimomia was reranked as Angulithes (Cimomia) and belongs to Angulithes'
- 'Cimomia tenuicosta is recombined as Angulithes (Cimomia) tenuicosta'
- 'Eutrephoceras alcesense belongs to Eutrephoceras' according to Reeside 1927
- 'Eutrephoceras alcesense belongs to Eutrephoceras'
- 'Eutrephoceras angolaense belongs to Eutrephoceras'
- 'Eutrephoceras faxoense is a subjective synonym of Eutrephoceras dekayi'
- 'Eutrephoceras kummeli belongs to Eutrephoceras'
- 'Eutrephoceras merteni belongs to Eutrephoceras'
- 'Eutrephoceras planoventer belongs to Eutrephoceras' according to Stephenson 1941
- 'Eutrephoceras planoventer belongs to Eutrephoceras'
- 'Eutrephoceras simile belongs to Eutrephoceras'
- 'Eutrephoceras spengleri belongs to Eutrephoceras'
- 'Nautilus ahltenensis is recombined as Eutrephoceras ahltenense'
- 'Nautilus ahltenensis belongs to Nautilus' according to Schulter 1876
- 'Nautilus angustus is recombined as Angulithes (Cimomia) angustus'
- 'Nautilus applanatus is recombined as Angulithes (Pseudocenoceras) applanatus'
- 'Nautilus archiacianus is recombined as Angulithes (Pseudocenoceras) archiacianus'
- 'Nautilus arcuatus belongs to Nautilus' according to Deshayes 1842
- 'Nautilus arcuatus is recombined as Angulithes arcuatus'
- 'Nautilus astierianus belongs to Nautilus' according to d'Orbigny 1850
- 'Nautilus astierianus is recombined as Eutrephoceras astierianum'
- 'Nautilus baluchistanensis is a subjective synonym of Eutrephoceras charpentieri'
- 'Nautilus bellerophon is a subjective synonym of Eutrephoceras dekayi'
- 'Nautilus bouchardianus is recombined as Eutrephoceras bouchardianum'
- 'Nautilus bryani is recombined as Angulithes (Cimomia) bryani'
- 'Nautilus campbelli is recombined as Eutrephoceras campbelli'
- 'Nautilus charpentieri belongs to Nautilus' according to Leymerie 1851
- 'Nautilus charpentieri is recombined as Eutrephoceras charpentieri'
- 'Nautilus clementinus is recombined as Eutrephoceras clementinum'
- 'Nautilus columbinus belongs to Nautilus' according to Fritsch 1872
- 'Nautilus columbinus is recombined as Eutrephoceras columbinum'
- 'Nautilus danicus is recombined as Hercoglossa danica'
- 'Nautilus darupensis is recombined as Eutrephoceras darupense'
- 'Nautilus dekayi is recombined as Eutrephoceras dekayi'
- 'Nautilus depressus belongs to Nautilus' according to van Binckhorst 1861
- 'Nautilus depressus is recombined as Eutrephoceras depressum'
- 'Nautilus desertorum is recombined as Angulithes (Cimomia) desertorum'
- 'Nautilus expansus belongs to Nautilus' according to Sowerby 1824
- 'Nautilus expansus is recombined as Eutrephoceras expansum'
- 'Nautilus fittoni is recombined as Angulithes (Pseudocenoceras) fittoni'
- 'Nautilus flammeus is recombined as Eutrephoceras flammeum'
- 'Nautilus fleuriausianus is recombined as Angulithes fleuriausianus'
- 'Nautilus galea belongs to Nautilus' according to Fritsch 1872
- 'Nautilus galea is recombined as Angulithes galea'
- 'Nautilus galicianus is recombined as Angulithes (Cimomia) galicianus'
- 'Nautilus gosavicus belongs to Nautilus' according to Redtenbacher 1873
- 'Nautilus gosavicus is recombined as Angulithes (Cimomia) gosavicus'
- 'Nautilus heberti belongs to Nautilus' according to van Binckhorst 1861
- 'Nautilus heberti is recombined as Angulithes (Cimomia) heberti'
- 'Nautilus indicus belongs to Nautilus' according to d'Orbigny 1850
- 'Nautilus indicus is recombined as Eutrephoceras indicum'
- 'Nautilus jordani belongs to Nautilus' according to Zittel 1902
- 'Nautilus jordani is recombined as Angulithes (Cimomia) jordani'
- 'Nautilus justus is recombined as Eutrephoceras justum'
- 'Nautilus labechei belongs to Nautilus' according to d'Archiac and Haime 1853
- 'Nautilus labechei is a subjective synonym of Eutrephoceras charpentieri'
- 'Nautilus lacerdae is recombined as Carinonautilus lacerdae'
- 'Nautilus largilliertianus is recombined as Angulithes (Pseudocenoceras) largilliertianus'
- 'Nautilus leiotropis belongs to Nautilus' according to Schluter 1876
- 'Nautilus leiotropis is recombined as Angulithes leiotropis'
- 'Nautilus lentiformis belongs to Nautilus' according to Stoliczka 1866
- 'Nautilus lentiformis is recombined as Eutrephoceras lentiforme'
- 'Nautilus montanaensis belongs to Nautilus' according to Meek 1876
- 'Nautilus montanaensis is recombined as Eutrephoceras montanaense'
- 'Nautilus montmollini is recombined as Eutrephoceras montmollini'
- 'Nautilus pernambucensis belongs to Nautilus' according to Maury 1930
- 'Nautilus pernambucensis is a subjective synonym of Eutrephoceras columbinum'
- 'Nautilus pseudobouchardianus is a subjective synonym of Eutrephoceras charpentieri'
- 'Nautilus quadrilineatus is recombined as Eutrephoceras quadrilineatum'
- 'Nautilus resupinatus belongs to Nautilus' according to Redtenbacher 1873
- 'Nautilus resupinatus is a subjective synonym of Eutrephoceras sublaevigatum'
- 'Nautilus rugatus belongs to Nautilus' according to Fritsch 1872
- 'Nautilus rugatus is recombined as Angulithes rugatus'
- 'Nautilus sowerbyanus belongs to Nautilus' according to d'Orbigny 1840
- 'Nautilus sowerbyanus is recombined as Angulithes sowerbyanus'
- 'Nautilus sphaericus is recombined as Eutrephoceras sphaericum'
- 'Nautilus splendens is recombined as Eutrephoceras splendens'
- 'Nautilus subfleuriausianus is recombined as Eutrephoceras subfleuriausianum'
- 'Nautilus sublaevigatus is recombined as Eutrephoceras sublaevigatum'
- 'Nautilus subplicatus is recombined as Eutrephoceras subplicatum'
- 'Nautilus triangularis is recombined as Angulithes triangularis'
- 'Nautilus undulatus is recombined as Angulithes (Pseudocenoceras) undulatus'
- 'Nautilus vastus is recombined as Eutrephoceras vastum'
- 'Nautilus westphalicus belongs to Nautilus' according to Schluter 1876
- 'Nautilus westphalicus is recombined as Angulithes westphalicus'
- 'Nautilus woodsi belongs to Nautilus' according to van Hoepen 1921
- 'Nautilus woodsi is a subjective synonym of Eutrephoceras subplicatum'
- 'Pseudocenoceras was reranked as Angulithes (Pseudocenoceras) and belongs to Angulithes'