Opinions from J. Blau et al. 2000
- 'Aegoceras milleri is a subjective synonym of Eoderoceras hastatum'
- 'Aegoceras milleri belongs to Aegoceras' according to Wright 1880
- 'Ammonites armatus is recombined as Eoderoceras armatum'
- 'Ammonites armatus densinodus belongs to Ammonites armatus' according to Quenstedt 1845
- 'Ammonites armatus densinodus is recombined as Crucilobiceras densinodum'
- 'Ammonites caprarius belongs to Ammonites' according to Quenstedt 1856
- 'Ammonites caprarius is recombined as Platypleuroceras caprarium'
- 'Ammonites guibalianus is recombined as Gleviceras guibalianum'
- 'Ammonites hastatus is recombined as Eoderoceras hastatum'
- 'Ammonites macdonnelli belongs to Ammonites' according to Portlock 1843
- 'Ammonites macdonnelli is recombined as Leptechioceras macdonnelli'
- 'Ammonites miles belongs to Ammonites' according to Simpson 1855
- 'Ammonites miles is a subjective synonym of Eoderoceras armatum'
- 'Ammonites oosteri belongs to Ammonites' according to Dumortier 1869
- 'Ammonites oosteri is recombined as Paltechioceras oosteri'
- 'Ammonites raricostatus is recombined as Echioceras raricostatum'
- 'Ammonites subplanicosta belongs to Ammonites' according to Oppel 1856
- 'Ammonites subplanicosta is recombined as Bifericeras subplanicosta'
- 'Ammonites tardecrescens is recombined as Paltechioceras tardecrescens'
- 'Ammonitina belongs to Ammonoidea'
- 'Arietites meigeni is recombined as Leptechioceras meigeni'
- 'Bifericeras belongs to Eoderoceratidae'
- 'Caloceras aplanatum belongs to Caloceras' according to Hyatt 1889
- 'Caloceras aplanatum is a subjective synonym of Paltechioceras tardecrescens'
- 'Crucilobiceras belongs to Eoderoceratidae'
- 'Crucilobiceras subdensinodum belongs to Crucilobiceras' according to Spath 1925
- 'Crucilobiceras subdensinodum is a subjective synonym of Crucilobiceras densinodum'
- 'Deroceras eusculptum belongs to Deroceras' according to Lang and Spath 1926
- 'Deroceras eusculptum is a subjective synonym of Eoderoceras armatum'
- 'Deroceras obesum belongs to Deroceras' according to Spath 1925
- 'Deroceras obesum is a subjective synonym of Eoderoceras armatum'
- 'Echioceras belongs to Echioceratidae'
- 'Echioceras crassicostatum belongs to Echioceras' according to Trueman and Williams 1925
- 'Echioceras crassicostatum is a subjective synonym of Echioceras raricostatum'
- 'Echioceras inflatum is a subjective synonym of Echioceras raricostatum'
- 'Echioceras inflatum belongs to Echioceras' according to Trueman and Williams 1925
- 'Echioceratidae belongs to Psilocerataceae'
- 'Eoderoceras belongs to Eoderoceratidae'
- 'Eoderoceras postarmatum belongs to Eoderoceras' according to Hoffmann 1950
- 'Eoderoceras postarmatum is a subjective synonym of Eoderoceras armatum'
- 'Eoderocerataceae belongs to Ammonitina'
- 'Eoderoceratidae belongs to Eoderocerataceae'
- 'Euechioceras insigne belongs to Euechioceras' according to Trueman and Williams 1925
- 'Euechioceras insigne is a subjective synonym of Paltechioceras tardecrescens'
- 'Euechioceras nobile is a subjective synonym of Paltechioceras tardecrescens'
- 'Gleviceras belongs to Oxynoticeratidae'
- 'Leptechioceras belongs to Echioceratidae'
- 'Leptonotoceras belongs to Eoderocerataceae'
- 'Leptonotoceras emersoni belongs to Leptonotoceras' according to Hoffmann 1950
- 'Leptonotoceras emersoni belongs to Leptonotoceras'
- 'Oxynoticeratidae belongs to Psilocerataceae'
- 'Paltechioceras belongs to Echioceratidae'
- 'Platypleuroceras belongs to Polymorphitidae'
- 'Polymorphitidae belongs to Eoderocerataceae'
- 'Psilocerataceae belongs to Ammonitina'