Opinions from W. J. Kennedy et al. 1998
- 'Acanthocerataceae belongs to Ammonitina'
- 'Ammonites argonautiformis is recombined as Stoliczkaia (Stoliczkaia) argonautiformis'
- 'Ammonites argonautiformis belongs to Ammonites' according to Stoliczka 1864
- 'Ammonites brottianus belongs to Ammonites' according to d'Orbigny 1841
- 'Ammonites brottianus is recombined as Neophlycticeras (Neophlycticeras) brottianum'
- 'Ammonites dispar belongs to Ammonites' according to d'Orbigny 1841
- 'Ammonites dispar is recombined as Stoliczkaia dispar' according to Diener 1925
- 'Ammonites dispar is recombined as Stoliczkaia (Stoliczkaia) dispar'
- 'Ammonites pierdenalis is recombined as Engonoceras pierdenale'
- 'Ammonites pierdenalis belongs to Ammonites' according to von Buch 1848
- 'Ammonites rostratus is recombined as Mortoniceras (Subschloenbachia) rostratum'
- 'Ammonites rostratus belongs to Ammonites' according to J. Sowerby 1817
- 'Ammonites rostratus is recombined as Subschloenbachia rostratus' according to Spath 1921
- 'Ammonites vespertinus belongs to Ammonites' according to Morton 1834
- 'Ammonites vespertinus is recombined as Mortoniceras (Mortoniceras) vespertinus'
- 'Ammonitida belongs to Ammonoidea'
- 'Ancyloceratina belongs to Ammonoidea'
- 'Angolaites was reranked as Mortoniceras (Angolaites) and belongs to Mortoniceras'
- 'Anisoceras belongs to Anisoceratidae'
- 'Anisoceras perarmatum belongs to Anisoceras' according to Pictet and Campiche 1861
- 'Anisoceras perarmatum belongs to Anisoceras'
- 'Anisoceratidae belongs to Turrilitaceae'
- 'Brancoceratidae belongs to Acanthocerataceae'
- 'Brancoceratinae belongs to Brancoceratidae'
- 'Buchiceras (Sphenodiscus) belviderensis serpentinus is recombined as Engonoceras serpentinum'
- 'Drakeoceras is a subjective synonym of Angolaites'
- 'Drakeoceras drakei belongs to Drakeoceras' according to Young 1957
- 'Drakeoceras drakei is recombined as Mortoniceras (Angolaites) drakei'
- 'Engonoceras belongs to Engonoceratidae'
- 'Engonoceras subjectum belongs to Engonoceras'
- 'Engonoceras subjectum belongs to Engonoceras' according to Hyatt 1903
- 'Engonoceratidae belongs to Hoplitaceae'
- 'Hamites armatus belongs to Hamites' according to J. Sowerby 1817
- 'Hamites armatus is recombined as Anisoceras armatum'
- 'Hamites saussureanus belongs to Hamites' according to Pictet 1847
- 'Hamites saussureanus is recombined as Anisoceras saussureanus'
- 'Hoplitaceaea is corrected as Hoplitaceae and belongs to Ammonitina'
- 'Lyelliceratidae belongs to Acanthocerataceae'
- 'Mariella belongs to Turrilitidae'
- 'Mortoniceras belongs to Mortoniceratinae'
- 'Mortoniceras (Cantabrigites) was reranked as Cantabrigites and belongs to Brancoceratinae'
- 'Mortoniceras (Cantabrigites) cantabrigense is recombined as Cantabrigites cantabrigense'
- 'Mortoniceras (Mortoniceras) belongs to Mortoniceras'
- 'Mortoniceras (Mortoniceras) subsimplex belongs to Mortoniceras (Mortoniceras)' according to Spath 1933
- 'Mortoniceras (Mortoniceras) subsimplex is recombined as Cantabrigites subsimplex'
- 'Mortoniceratinae belongs to Brancoceratidae'
- 'Neophlycticeras belongs to Stoliczkaiinae'
- 'Neophlycticeras (Neophlycticeras) belongs to Neophlycticeras'
- 'Praeangolaites is a subjective synonym of Angolaites'
- 'Reyericeras is a subjective synonym of Subschloenbachia'
- 'Schloenbachia wintoni belongs to Schloenbachia' according to Adkins 1920
- 'Schloenbachia wintoni is recombined as Mortoniceras (Angolaites) wintoni'
- 'Stoliczkaia belongs to Stoliczkaiinae'
- 'Stoliczkaia (Stoliczkaia) belongs to Stoliczkaia'
- 'Stoliczkaiinae belongs to Lyelliceratidae'
- 'Subschloenbachia was reranked as Mortoniceras (Subschloenbachia) and belongs to Mortoniceras'
- 'Subschloenbachia gregoryi is recombined as Angolaites gregoryi' according to Spath 1932
- 'Subschloenbachia gregoryi is recombined as Mortoniceras (Angolaites) gregoryi'
- 'Subschloenbachia perinflata is recombined as Mortoniceras (Subschloenbachia) perinflatum'
- 'Turrilitaceae belongs to Ancyloceratina'
- 'Turrilites bergeri belongs to Turrilites' according to Brongniart 1822
- 'Turrilites bergeri is recombined as Mariella bergeri'
- 'Turrilitidae belongs to Turrilitaceae'
- 'Wintonia was reranked as Mariella (Wintonia) and belongs to Mariella'
- 'Wintonia graysonensis belongs to Wintonia' according to Adkins 1928
- 'Wintonia graysonensis is recombined as Mariella (Wintonia) graysonensis'