Opinions from W. J. Kennedy and N. J. Morris 2018
- 'Acanthoceras (Mammites) prenodosoides belongs to Acanthoceras (Mammites)' according to Boule et al. 1907
- 'Acanthoceras (Mammites) prenodosoides is recombined as Submantelliceras prenodosoides'
- 'Acanthocerataceae is corrected as Acanthoceratoidea and belongs to Ammonitina'
- 'Acanthoceratidae belongs to Acanthoceratoidea'
- 'Algerites belongs to Anisoceratidae'
- 'Algerites sayni belongs to Algerites' according to Pervinquière 1910
- 'Algerites sayni belongs to Algerites'
- 'Ammonites latidorsatus is recombined as Desmoceras (Desmoceras) latidorsatum'
- 'Ammonites mantelli is recombined as Mantelliceras mantelli'
- 'Ammonites nicaisei is recombined as Euhystrichoceras nicaisei'
- 'Anagaudryceras belongs to Gaudryceratidae'
- 'Anisoceratidae belongs to Turrilitoidea'
- 'Baculitidae belongs to Turrilitoidea'
- 'Brancoceratidae belongs to Acanthoceratoidea'
- 'Desmoceras belongs to Desmoceratinae'
- 'Desmoceras (Desmoceras) belongs to Desmoceras'
- 'Desmocerataceae is corrected as Desmoceratoidea and belongs to Ammonitina'
- 'Desmoceratidae belongs to Desmoceratoidea'
- 'Desmoceratinae belongs to Desmoceratidae'
- 'Euhystrichoceras belongs to Mortoniceratinae'
- 'Forbesiceras belongs to Forbesiceratidae'
- 'Forbesiceratinae was reranked as the family Forbesiceratidae and belongs to Acanthoceratoidea'
- 'Gaudryceratidae belongs to Tetragonitoidea'
- 'Hamites belongs to Hamitidae'
- 'Hamites duplicatus belongs to Hamites' according to Pictet and Campiche 1861
- 'Hamites duplicatus belongs to Hamites'
- 'Hamitidae belongs to Turrilitoidea'
- 'Hyporbulites is a subjective synonym of Hypophylloceras'
- 'Hyporbulites basseae belongs to Hyporbulites' according to Joly 1993
- 'Hyporbulites basseae is recombined as Phylloceras (Hypophylloceras) basseae'
- 'Hypoturrilites belongs to Turrilitidae'
- 'Lyelliceratidae belongs to Acanthoceratoidea'
- 'Lytoceras (Argonauticeras) was reranked as Argonauticeras and belongs to Tetragonitidae'
- 'Mammites was reranked as Acanthoceras (Mammites) and belongs to Acanthoceras' according to Boule et al. 1907
- 'Mantelliceras belongs to Mantelliceratinae'
- 'Mantelliceras cantianum belongs to Mantelliceras'
- 'Mantelliceratinae belongs to Acanthoceratidae'
- 'Mesoturrilites belongs to Turrilitidae'
- 'Mesoturrilites corrugatus belongs to Mesoturrilites' according to Wright and Kennedy 1996
- 'Mesoturrilites corrugatus belongs to Mesoturrilites'
- 'Metascaphites belongs to Stoliczkaiellinae'
- 'Mortoniceratinae belongs to Brancoceratidae'
- 'Phylloceras belongs to Phylloceratinae'
- 'Phylloceras (Hypophylloceras) belongs to Phylloceras'
- 'Phyllocerataceae is corrected as Phylloceratoidea and belongs to Phylloceratina'
- 'Phylloceratidae belongs to Phylloceratoidea'
- 'Phylloceratinae belongs to Phylloceratidae'
- 'Puzosia belongs to Puzosiinae'
- 'Puzosia (Puzosia) belongs to Puzosia'
- 'Puzosia paronae belongs to Puzosia' according to Kilian 1900
- 'Puzosia paronae is recombined as Puzosia (Puzosia) paronae'
- 'Puzosiinae belongs to Desmoceratidae'
- 'Scaphites thomasi belongs to Scaphites' according to Pervinquière 1907
- 'Scaphites thomasi is recombined as Metascaphites thomasi'
- 'Sciponoceras belongs to Baculitidae'
- 'Sciponoceras roto belongs to Sciponoceras' according to Cieslinski 1959
- 'Sciponoceras roto belongs to Sciponoceras'
- 'Stoliczkaia (Lamnayella) is reassigned into Stoliczkaiella'
- 'Stoliczkaia (Lamnayella) juigneti is recombined as Stoliczkaiella (Lamnayella) juigneti'
- 'Stoliczkaiella belongs to Stoliczkaiellinae'
- 'Stoliczkaiellinae belongs to Lyelliceratidae'
- 'Stoliczkaiinae is replaced by Stoliczkaiellinae'
- 'Submantelliceras belongs to Mantelliceratinae'
- 'Tetragonitaceae is corrected as Tetragonitoidea and belongs to Lytoceratina'
- 'Tetragonitidae belongs to Tetragonitoidea'
- 'Turrilitaceae is corrected as Turrilitoidea and belongs to Ancyloceratina'
- 'Turrilites laevigatus belongs to Turrilites' according to Coquand 1862
- 'Turrilites laevigatus is recombined as Hypoturrilites laevigatus'
- 'Turrilitidae belongs to Turrilitoidea'
- 'Zelandites belongs to Gaudryceratidae'