Opinions from P. D. Ward and W. J. Kennedy 1993
- 'Ammonites (Scaphites) ramosus is recombined as Phylloceras (Neophylloceras) ramosum'
- 'Ammonites brahma is recombined as Brahmaites (Brahmaites) brahma'
- 'Ammonites constrictus is recombined as Hoploscaphites constrictus'
- 'Ammonites duereri belongs to Ammonites' according to Redtenbacher 1873
- 'Ammonites duereri is recombined as Pseudokossmaticeras duereri'
- 'Ammonites epiplectus is recombined as Pachydiscus (Pachydiscus) epiplectus'
- 'Ammonites forbesianum is recombined as Phyllopachyceras forbesianum'
- 'Ammonites galicianus is recombined as Pachydiscus galicianus' according to Seunes 1891
- 'Ammonites gollevillensis is recombined as Pachydiscus (Pachydiscus) gollevillensis'
- 'Ammonites indra is recombined as Pseudophyllites indra'
- 'Ammonites kayei is recombined as Gaudryceras kayei'
- 'Ammonites neubergicus is recombined as Pachydiscus (Pachydiscus) neubergicus'
- 'Ammonites rembda is recombined as Hauericeras rembda'
- 'Ammonites surya is recombined as Phylloceras (Neophylloceras) surya'
- 'Ammonites vishnu is recombined as Brahmaites (Anabrahmaites) vishnu'
- 'Ammonitina belongs to Ammonoidea'
- 'Anagaudryceras belongs to Gaudryceratidae'
- 'Anapachydiscus belongs to Pachydiscidae'
- 'Anapachydiscus terminus belongs to Anapachydiscus'
- 'Ancyloceratina belongs to Ammonoidea'
- 'Baculites belongs to Baculitidae'
- 'Baculites anceps belongs to Baculites'
- 'Baculites carinatus is recombined as Eubaculites carinatus'
- 'Baculites cylindracea is recombined as Diplomoceras cylindraceum'
- 'Baculites lyelli is a subjective synonym of Eubaculites carinatus'
- 'Baculites vertebralis belongs to Baculites'
- 'Baculitidae belongs to Turrilitaceae'
- 'Brahmaites belongs to Kossmaticeratinae'
- 'Brahmaites (Anabrahmaites) belongs to Brahmaites'
- 'Brahmaites (Brahmaites) belongs to Brahmaites'
- 'Desmoceras larteti is recombined as Desmophyllites larteti'
- 'Desmocerataceae belongs to Ammonitina'
- 'Desmoceratidae belongs to Desmocerataceae'
- 'Desmoceratinae belongs to Desmoceratidae'
- 'Desmophyllites belongs to Desmoceratinae'
- 'Diplomoceras belongs to Diplomoceratinae'
- 'Diplomoceras lambi is a subjective synonym of Diplomoceras cylindraceum'
- 'Diplomoceras maximum is a subjective synonym of Diplomoceras cylindraceum'
- 'Diplomoceratidae belongs to Turrilitaceae'
- 'Diplomoceratinae belongs to Diplomoceratidae'
- 'Eubaculites belongs to Baculitidae'
- 'Gaudryceras belongs to Gaudryceratidae'
- 'Gaudryceratidae belongs to Tetragonitaceae'
- 'Glyptoxoceras belongs to Diplomoceratinae'
- 'Hamites rugatus is recombined as Glyptoxoceras rugatum'
- 'Hauericeras belongs to Hauericeratinae'
- 'Hauericeratinae belongs to Desmoceratidae'
- 'Hoploscaphites belongs to Scaphitinae'
- 'Kossmaticeras belongs to Kossmaticeratinae'
- 'Kossmaticeratidae belongs to Desmocerataceae'
- 'Kossmaticeratinae belongs to Kossmaticeratidae'
- 'Lytoceras (Gaudryceras) politissimum is recombined as Anagaudryceras politissimum'
- 'Lytoceratina belongs to Ammonoidea'
- 'Natalites was reranked as Kossmaticeras (Natalites) and belongs to Kossmaticeras'
- 'Neophylloceras was reranked as Phylloceras (Neophylloceras) and belongs to Phylloceras'
- 'Nostoceras belongs to Nostoceratidae'
- 'Nostoceras (Nostoceras) belongs to Nostoceras'
- 'Nostoceratidae belongs to Turrilitaceae'
- 'Pachydiscidae belongs to Desmocerataceae'
- 'Pachydiscus belongs to Pachydiscidae'
- 'Pachydiscus (Pachydiscus) belongs to Pachydiscus'
- 'Pachydiscus (Pachydiscus) llareni belongs to Pachydiscus (Pachydiscus)' according to Wiedmann 1960
- 'Pachydiscus (Pachydiscus) llareni is a subjective synonym of Pachydiscus (Pachydiscus) jacquoti'
- 'Pachydiscus fresvillensis is recombined as Anapachydiscus fresvillensis'
- 'Pachydiscus galicianus tercensis belongs to Pachydiscus galicianus' according to Seunes 1891
- 'Pachydiscus galicianus tercensis is recombined as Pseudokossmaticeras tercense'
- 'Pachydiscus gollevillensis armenicus belongs to Pachydiscus gollevillensis' according to Atabekian and Akopian 1969
- 'Pachydiscus gollevillensis armenicus is recombined as Pachydiscus (Pachydiscus) armenicus'
- 'Pachydiscus jacquoti is recombined as Pachydiscus (Pachydiscus) jacquoti'
- 'Phylloceras belongs to Phylloceratinae'
- 'Phyllocerataceae belongs to Phylloceratina'
- 'Phylloceratidae belongs to Phyllocerataceae'
- 'Phylloceratinae belongs to Phylloceratidae'
- 'Phylloceratitida was reranked as the suborder Phylloceratina and belongs to Ammonoidea'
- 'Phyllopachyceras belongs to Phylloceratinae'
- 'Phyllopachyceratinae is a subjective synonym of Phylloceratinae'
- 'Phylloptychoceras belongs to Polyptychoceratinae'
- 'Polyptychoceratinae belongs to Diplomoceratidae'
- 'Pseudokossmaticeras belongs to Kossmaticeratinae'
- 'Pseudophyllites belongs to Tetragonitidae'
- 'Ptychoceras sipho is recombined as Phylloptychoceras sipho'
- 'Saghalinites belongs to Tetragonitidae'
- 'Saghalinites wrighti belongs to Saghalinites'
- 'Scaphitaceae belongs to Ancyloceratina'
- 'Scaphitidae belongs to Scaphitaceae'
- 'Scaphitinae belongs to Scaphitidae'
- 'Tetragonitaceae belongs to Lytoceratina'
- 'Tetragonitidae belongs to Tetragonitaceae'
- 'Turrilitaceae belongs to Ancyloceratina'
- 'Zelandites belongs to Gaudryceratidae'