Opinions from W. J. Kennedy and U. Kaplan 1995
- 'Ammonites bidorsatus belongs to Ammonites' according to Roemer 1841
- 'Ammonites bidorsatus is recombined as Placenticeras bidorsatum'
- 'Ammonites duelmensis belongs to Ammonites' according to Schluter 1872
- 'Ammonites duelmensis is recombined as Pachydiscus (Pachydiscus) duelmensis'
- 'Ammonites dujardin belongs to Ammonites' according to Schluter 1867
- 'Ammonites dujardin is a subjective synonym of Placenticeras bidorsatum'
- 'Ammonites obscurus belongs to Ammonites' according to Schluter 1872
- 'Ammonites obscurus is recombined as Tetragonites obscurus'
- 'Ammonites pseudogardeni is recombined as Hauericeras (Hauericeras) pseudogardeni'
- 'Crioceras cingulatum belongs to Crioceras' according to Schluter 1872
- 'Crioceras cingulatum is recombined as Scalarites cingulatum'
- 'Diplacomoceras canaliculatum belongs to Diplacomoceras' according to Hyatt 1903
- 'Diplacomoceras canaliculatum is a subjective synonym of Placenticeras bidorsatum'
- 'Diplomoceratinae belongs to Diplomoceratidae'
- 'Glyptoxoceras belongs to Diplomoceratinae'
- 'Hauericeras belongs to Puzosiinae'
- 'Hauericeras (Hauericeras) belongs to Hauericeras'
- 'Hauericeras buszii belongs to Hauericeras' according to Wegner 1905
- 'Hauericeras buszii is a subjective synonym of Hauericeras (Hauericeras) pseudogardeni'
- 'Hauericeratinae is a subjective synonym of Puzosiinae'
- 'Joaquinites is a subjective synonym of Pachydiscus'
- 'Pachydiscus belongs to Pachydiscidae'
- 'Pachydiscus (Pachydiscus) belongs to Pachydiscus'
- 'Pachydiscus seppenradensis belongs to Pachydiscus' according to Landois 1895
- 'Pachydiscus seppenradensis is recombined as Parapuzosia (Parapuzosia) seppenradensis'
- 'Parapuzosia belongs to Puzosiinae'
- 'Parapuzosia (Parapuzosia) belongs to Parapuzosia'
- 'Placenticeras belongs to Placenticeratidae'
- 'Puzosiinae belongs to Desmoceratidae'
- 'Scalarites belongs to Diplomoceratinae'
- 'Scaphites belongs to Scaphitinae'
- 'Scaphites (Scaphites) belongs to Scaphites'
- 'Scaphites binodosus belongs to Scaphites' according to Roemer 1841
- 'Scaphites binodosus is recombined as Scaphites (Scaphites) binodosus'
- 'Scaphites inflatus belongs to Scaphites' according to Roemer 1841
- 'Scaphites inflatus is a subjective synonym of Scaphites (Scaphites) binodosus'
- 'Scaphitinae belongs to Scaphitidae'
- 'Toxoceras aquisgranense is recombined as Glyptoxoceras aquisgranense'