Opinions from M. A. Murphy 1975
- 'Acrioceras starrkingi is recombined as Toxoceratoides starrkingi'
- 'Ammonites phestus is recombined as Eulytoceras phestum'
- 'Ammonites thetys is recombined as Phylloceras thetys'
- 'Anahamulina belongs to Ptychoceratidae'
- 'Ancyloceras belongs to Ancyloceratidae'
- 'Ancyloceras elephas belongs to Ancyloceras'
- 'Ancyloceras thomeli belongs to Ancyloceras'
- 'Ancyloceratidae belongs to Ancyloceratina'
- 'Barremites belongs to Desmoceratidae'
- 'Cheloniceras belongs to Cheloniceratinae'
- 'Cheloniceratinae belongs to Douvilleiceratidae'
- 'Eulytoceras belongs to Lytoceratidae'
- 'Euptychoceras belongs to Ptychoceratidae'
- 'Euptychoceras jordanese belongs to Euptychoceras'
- 'Heinzia was reranked as Pulchellia (Heinzia) and belongs to Pulchellia'
- 'Hemihoplites belongs to Hemihoplitidae'
- 'Hemihoplites popenoei belongs to Hemihoplites'
- 'Heteroceras belongs to Heteroceratidae'
- 'Heteroceras jeletzkyi belongs to Heteroceras'
- 'Hoplocrioceras wintunium is recombined as Shasticrioceras wintunium'
- 'Lytoceras belongs to Lytoceratidae'
- 'Lytoceras (Saturnoceras) saturnale is recombined as Lytoceras saturnale'
- 'Lytoceratida belongs to Cephalopoda'
- 'Lytoceratidae belongs to Lytoceratina'
- 'Lytoceratina belongs to Lytoceratida'
- 'Partschiceras belongs to Phylloceratidae'
- 'Phylloceras belongs to Phylloceratidae'
- 'Phylloceras occidentale is recombined as Partschiceras occidentale'
- 'Phylloceratidae belongs to Phylloceratida'
- 'Phylloceratitida is corrected as Phylloceratida and belongs to Cephalopoda'
- 'Pseudocrioceras stentor is recombined as Toxoceras stentor'
- 'Pulchellia belongs to Pulchelliidae'
- 'Pulchellia popenoei is recombined as Pulchellia (Heinzia) popenoei'
- 'Pulchelliidae belongs to Ammonitina'
- 'Shasticrioceras hesperum is a subjective synonym of Shasticrioceras poniente'
- 'Shasticrioceras hesperum nipponicum belongs to Shasticrioceras hesperum' according to Matsumoto 1947
- 'Shasticrioceras hesperum nipponicum is a subjective synonym of Shasticrioceras poniente'
- 'Shasticrioceras patricki belongs to Shasticrioceras'
- 'Shasticrioceras poniente belongs to Shasticrioceras'
- 'Shasticrioceras roddai belongs to Shasticrioceras'
- 'Shasticrioceras whitneyi belongs to Shasticrioceras'
- 'Toxoceras blandi belongs to Toxoceras'
- 'Toxoceratoides corae belongs to Toxoceratoides'
- 'Toxoceratoides greeni belongs to Toxoceratoides'
- 'Toxoceratoides saulae belongs to Toxoceratoides'