Opinions from M. R. Cooper and W. J. Kennedy 1979
- 'Acanthocerataceae belongs to Ammonitina'
- 'Ammonites jurinianus is recombined as Tetragonites (Tetragonites) jurinianus'
- 'Ammonites latidorsatus is recombined as Desmoceras (Desmoceras) latidorsatum'
- 'Ammonites ootaturensis belongs to Ammonites' according to Stoliczka 1865
- 'Ammonites ootaturensis is recombined as Hysteroceras ootaturense'
- 'Ancylocerataceae belongs to Ancyloceratina'
- 'Ancyloceratidae belongs to Ancylocerataceae'
- 'Angolaites was reranked as Mortoniceras (Angolaites) and belongs to Mortoniceras'
- 'Anisoceras belongs to Anisoceratinae'
- 'Anisoceras (Anisoceras) belongs to Anisoceras'
- 'Anisoceras campichei belongs to Anisoceras' according to Spath 1926
- 'Anisoceras campichei is a subjective synonym of Anisoceras arrogans'
- 'Anisoceras exoticum belongs to Anisoceras' according to Spath 1939
- 'Anisoceras exoticum belongs to Anisoceras'
- 'Anisoceras haasi belongs to Anisoceras'
- 'Anisoceras jacobi belongs to Anisoceras' according to Breistroffer 1946
- 'Anisoceras jacobi is a subjective synonym of Anisoceras (Anisoceras) armatum'
- 'Anisoceras perarmatum is recombined as Anisoceras (Anisoceras) perarmatum'
- 'Anisoceras phillipsi belongs to Anisoceras'
- 'Anisoceras pseudopunctatum belongs to Anisoceras' according to Pictet and Campiche 1861
- 'Anisoceras pseudopunctatum is a subjective synonym of Anisoceras (Anisoceras) perarmatum'
- 'Anisoceras subarcuatum belongs to Anisoceras' according to Spath 1939
- 'Anisoceras subarcuatum belongs to Anisoceras'
- 'Anisoceras vraconense belongs to Anisoceras' according to Renz 1968
- 'Anisoceras vraconense is a subjective synonym of Anisoceras (Anisoceras) perarmatum'
- 'Anisoceratinae belongs to Ancyloceratidae'
- 'Binneyitidae belongs to Acanthocerataceae'
- 'Borissiakoceras belongs to Binneyitidae'
- 'Brancoceratidae belongs to Acanthocerataceae'
- 'Brancoceratinae belongs to Brancoceratidae'
- 'Cantabrigites curvatum belongs to Cantabrigites' according to Renz 1968
- 'Cantabrigites curvatum belongs to Cantabrigites'
- 'Desmoceras belongs to Desmoceratinae'
- 'Desmoceras (Desmoceras) belongs to Desmoceras'
- 'Desmoceras (Desmoceras) latidorsatum perinflatum belongs to Desmoceras (Desmoceras) latidorsatum'
- 'Desmoceras kitchini is recombined as Tetragonites (Tetragonites) kitchini'
- 'Desmoceras (Desmoceras) complanata is a subjective synonym of Desmoceras (Desmoceras) latidorsatum'
- 'Desmoceratidae belongs to Hoplitaceae'
- 'Desmoceratinae belongs to Desmoceratidae'
- 'Drakeoceras belongs to Mortoniceratinae'
- 'Drakeoceras dellense belongs to Drakeoceras' according to Young 1957
- 'Drakeoceras dellense belongs to Drakeoceras'
- 'Durnovarites was reranked as Mortoniceras (Durnovarites) and belongs to Mortoniceras'
- 'Durnovarites adkinsi is a subjective synonym of Mortoniceras (Durnovarites) perinflatum'
- 'Durnovarites spinosum belongs to Durnovarites' according to von Hoepen 1951
- 'Durnovarites spinosum is a subjective synonym of Mortoniceras (Durnovarites) subquadratum'
- 'Eogaudryceras belongs to Gaudryceratinae'
- 'Eogaudryceras (Eogaudryceras) belongs to Eogaudryceras'
- 'Eogaudryceras (Eogaudryceras) italicum belongs to Eogaudryceras (Eogaudryceras)' according to Wiedmann and Dieni 1968
- 'Eogaudryceras (Eogaudryceras) italicum belongs to Eogaudryceras (Eogaudryceras)'
- 'Falciferella reymenti is recombined as Borissiakoceras reymenti'
- 'Gaudryceratidae was reranked as the subfamily Gaudryceratinae and belongs to Gaudryceratidae'
- 'Gaudryceratidae belongs to Lytocerataceae'
- 'Hamites belongs to Hamitidae'
- 'Hamites (Stomohamites) subvirgulatus is a subjective synonym of Hamites virgulatus'
- 'Hamites armatus is recombined as Anisoceras (Anisoceras) armatum'
- 'Hamites arrogans belongs to Hamites' according to Giebel 1852
- 'Hamites arrogans is recombined as Anisoceras arrogans'
- 'Hamites duplicatus belongs to Hamites'
- 'Hamites venetzianus is a subjective synonym of Hamites virgulatus'
- 'Hamites virgulatus belongs to Hamites'
- 'Hamitidae belongs to Ancylocerataceae'
- 'Hoplitaceaea is corrected as Hoplitaceae and belongs to Ammonitina'
- 'Hysteroceras belongs to Brancoceratinae'
- 'Idiohamites belongs to Anisoceratinae'
- 'Idiohamites dorsetensis belongs to Idiohamites'
- 'Idiohamites elegantulus belongs to Idiohamites'
- 'Idiohamites pygmaeus belongs to Idiohamites'
- 'Idiohamites spathi belongs to Idiohamites' according to Wiedmann 1962
- 'Idiohamites spathi is recombined as Anisoceras spathi'
- 'Lyelliceratidae belongs to Acanthocerataceae'
- 'Lytoceras (Tetragonites) was reranked as Tetragonites and belongs to Tetragonitidae'
- 'Lytoceras (Tetragonites) zacatecanus belongs to Lytoceras (Tetragonites)' according to Böse 1923
- 'Lytoceras (Tetragonites) zacatecanus is a subjective synonym of Tetragonites (Tetragonites) jurinianus'
- 'Mariella belongs to Turrilitinae'
- 'Mariella (Mariella) belongs to Mariella'
- 'Mariella malgachensis belongs to Mariella' according to Breistroffer 1940
- 'Mariella malgachensis is a subjective synonym of Mariella (Mariella) oehlerti'
- 'Mortoniceras belongs to Mortoniceratinae'
- 'Mortoniceras (Cantabrigites) is reassigned into Pervinquieria' according to Breistroffer 1947
- 'Mortoniceras (Cantabrigites) was reranked as Cantabrigites and belongs to Mortoniceratinae'
- 'Mortoniceras (Durnovarites) collignoni belongs to Mortoniceras (Durnovarites)'
- 'Mortoniceras (Durnovarites) levecostatum is a subjective synonym of Mortoniceras (Durnovarites) subquadratum'
- 'Mortoniceras (Durnovarites) postinflatum belongs to Mortoniceras (Durnovarites)' according to Spath 1933
- 'Mortoniceras (Durnovarites) postinflatum is a subjective synonym of Mortoniceras (Durnovarites) perinflatum'
- 'Mortoniceras (Durnovarites) subquadratum belongs to Mortoniceras (Durnovarites)'
- 'Mortoniceras (Durnovarites) subquadratum belongs to Mortoniceras (Durnovarites)' according to Spath 1933
- 'Mortoniceras (Durnovarites) vraconense belongs to Mortoniceras (Durnovarites)' according to Renz 1968
- 'Mortoniceras (Durnovarites) vraconense is a subjective synonym of Mortoniceras (Durnovarites) perinflatum'
- 'Mortoniceratinae belongs to Brancoceratidae'
- 'Pervinquieria (Cantabrigites) subnana belongs to Pervinquieria (Cantabrigites)' according to Breistroffer 1947
- 'Pervinquieria (Cantabrigites) subnana is a subjective synonym of Mortoniceras (Durnovarites) subquadratum'
- 'Pervinquieria vicina is a subjective synonym of Mortoniceras (Angolaites) simplex'
- 'Pervinquieria vicina evoluta is a subjective synonym of Mortoniceras (Angolaites) simplex'
- 'Phylloceras belongs to Phylloceratinae'
- 'Phylloceras (Euphylloceras) vohipalense is a subjective synonym of Phylloceras (Hypophylloceras) seresitense'
- 'Phylloceras (Hypophylloceras) belongs to Phylloceras'
- 'Phylloceras angolaense belongs to Phylloceras' according to Haughton 1924
- 'Phylloceras angolaense is a subjective synonym of Phylloceras (Hypophylloceras) seresitense'
- 'Phylloceras boulei is a subjective synonym of Phylloceras (Hypophylloceras) seresitense'
- 'Phylloceras tanit is a subjective synonym of Phylloceras (Hypophylloceras) seresitense'
- 'Phylloceras velledae seresitense is recombined as Phylloceras (Hypophylloceras) seresitense'
- 'Phylloceratidae belongs to Phyllocerataceae'
- 'Phylloceratinae belongs to Phylloceratidae'
- 'Puzosia belongs to Puzosiinae'
- 'Puzosia (Puzosia) belongs to Puzosia'
- 'Puzosia sharpei belongs to Puzosia' according to Spath 1923
- 'Puzosia sharpei is recombined as Puzosia (Puzosia) sharpei'
- 'Puzosiinae belongs to Desmoceratidae'
- 'Schloenbachia simplex is recombined as Mortoniceras (Angolaites) simplex'
- 'Stoliczkaia belongs to Lyelliceratidae'
- 'Stoliczkaia (Stoliczkaia) belongs to Stoliczkaia'
- 'Stoliczkaia (Stoliczkaia) tenuis belongs to Stoliczkaia (Stoliczkaia)'
- 'Stomohamites brongniarti belongs to Stomohamites' according to Breistroffer 1947
- 'Stomohamites brongniarti is a subjective synonym of Hamites virgulatus'
- 'Subschloenbachia depressa is a subjective synonym of Mortoniceras (Durnovarites) perinflatum'
- 'Subschloenbachia gregoryi is recombined as Mortoniceras (Angolaites) gregoryi'
- 'Subschloenbachia perinflata is recombined as Mortoniceras (Durnovarites) perinflatum'
- 'Subschloenbachia quadrata is a subjective synonym of Mortoniceras (Durnovarites) perinflatum'
- 'Tetragonites (Tetragonites) belongs to Tetragonites'
- 'Tetragonites blaisoni is a subjective synonym of Tetragonites (Tetragonites) collignoni'
- 'Tetragonites brazoensis is a subjective synonym of Tetragonites (Tetragonites) jurinianus'
- 'Tetragonites collignoni is recombined as Tetragonites (Tetragonites) collignoni'
- 'Tetragonites hulenensis belongs to Tetragonites' according to Murphy 1967
- 'Tetragonites hulenensis is a subjective synonym of Tetragonites (Tetragonites) kitchini'
- 'Tetragonites jurinianus angolana is an invalid subgroup of Tetragonites (Tetragonites) jurinianus'
- 'Tetragonites subtimotheanus is a subjective synonym of Tetragonites (Tetragonites) collignoni'
- 'Tetragonitidae belongs to Lytocerataceae'
- 'Turrilitaceae belongs to Ancyloceratina'
- 'Turrilites cantabrigiensis belongs to Turrilites' according to Jukes-Browne 1877
- 'Turrilites cantabrigiensis is a subjective synonym of Mariella (Mariella) gresslyi'
- 'Turrilites circumtaeniatus is recombined as Mariella (Mariella) circumtaeniatus'
- 'Turrilites gresslyi belongs to Turrilites' according to Pictet and Campiche 1861
- 'Turrilites gresslyi is recombined as Mariella (Mariella) gresslyi'
- 'Turrilites nobilis is recombined as Mariella (Mariella) nobilis'
- 'Turrilites oehlerti is recombined as Mariella (Mariella) oehlerti'
- 'Turrilitidae belongs to Turrilitaceae'
- 'Turrilitinae belongs to Turrilitidae'