Opinions from W. J. Kennedy et al. 2008
- 'Acanthocerataceae is corrected as Acanthoceratoidea and belongs to Ammonitina'
- 'Acanthoceratidae belongs to Acanthoceratoidea'
- 'Ammonites cephalotus is recombined as Neoptychites cephalotus'
- 'Ammonites nodosoides is recombined as Mammites nodosoides'
- 'Bauchioceras (Wrightoceras) was reranked as Wrightoceras and belongs to Pseudotissotidae'
- 'Choffaticeras belongs to Pseudotissotidae'
- 'Choffaticeras (Choffaticeras) belongs to Choffaticeras'
- 'Euomphaloceratinae belongs to Acanthoceratidae'
- 'Fagesia belongs to Vascoceratidae'
- 'Fagesia levis is a subjective synonym of Fagesia peroni'
- 'Fagesia peroni belongs to Fagesia'
- 'Hoplitoides munieri is recombined as Wrightoceras munieri'
- 'Mammites belongs to Mammitinae'
- 'Mammites chouberti belongs to Mammites' according to Collignon 1967
- 'Mammites chouberti is a subjective synonym of Mammites nodosoides'
- 'Mammitidae was reranked as the subfamily Mammitinae and belongs to Acanthoceratidae'
- 'Nannovascoceras belongs to Vascoceratidae'
- 'Nannovascoceras constrictum is a subjective synonym of Nannovascoceras intermedium'
- 'Nannovascoceras costatum is a subjective synonym of Nannovascoceras intermedium'
- 'Nannovascoceras intermedium belongs to Nannovascoceras'
- 'Neoptychites belongs to Vascoceratidae'
- 'Neoptychites hottingeri belongs to Neoptychites' according to Collignon 1967
- 'Neoptychites hottingeri belongs to Neoptychites'
- 'Pseudotissotia segnis is recombined as Choffaticeras (Choffaticeras) segne'
- 'Pseudotissotinae was reranked as the family Pseudotissotidae and belongs to Acanthoceratoidea'
- 'Romaniceras belongs to Euomphaloceratinae'
- 'Schloenbachia quaasi is a subjective synonym of Choffaticeras (Choffaticeras) segne'
- 'Selwynoceras reymenti is recombined as Romaniceras (Yubariceras) reymenti'
- 'Selwynoceras zeharaense belongs to Selwynoceras' according to Collignon 1967
- 'Selwynoceras zeharaense is a subjective synonym of Romaniceras (Yubariceras) reymenti'
- 'Vascoceratidae belongs to Acanthoceratoidea'
- 'Yubariceras was reranked as Romaniceras (Yubariceras) and belongs to Romaniceras'