Opinions from C. W. Wright et al. 1996

  • 'Abrytasites is a misspelling of Abrytusites'
  • 'Abrytusites [misspelled as Abrytasites] belongs to Puzosiinae'
  • 'Acanthoceras belongs to Acanthoceratinae'
  • 'Acanthoceras (Mantelliceras) pervinquierei is recombined as Eucalycoceras pervinquierei'
  • 'Acanthoceras (Prionotropis) subvicinale is recombined as Paracalycoceras subvicinale'
  • 'Acanthoceras (Pseudacanthoceras) is a subjective synonym of Calycoceras (Newboldiceras)'
  • 'Acanthoceras aberrans is recombined as Lotzeites aberrans'
  • 'Acanthoceras albertense is recombined as Dunveganoceras (Dunveganoceras) albertense'
  • 'Acanthoceras gadeni is recombined as Nigericeras gadeni' according to Schneegans 1943
  • 'Acanthoceras gadeni is recombined as Nigericeras gadeni'
  • 'Acanthoceras haughi is recombined as Pseudocalycoceras (Haugiceras) haughi' according to Thomel 1972
  • 'Acanthoceras haughi is recombined as Calycoceras (Proeucalycoceras) haughi'
  • 'Acanthoceras kanabense is a subjective synonym of Scaphites septemseriatus'
  • 'Acanthoceras tapara is recombined as Calycoceras (Newboldiceras) tapara'
  • 'Acanthocerataceae belongs to Ammonitina'
  • 'Acanthoceratidae belongs to Acanthocerataceae'
  • 'Acanthoceratinae belongs to Acanthoceratidae'
  • 'Acanthohoplites belongs to Acanthoplitinae'
  • 'Acanthohoplitinae is corrected as Acanthoplitinae and belongs to Parahoplitidae'
  • 'Acantholytoceras belongs to Crioceratitinae'
  • 'Acompsoceras belongs to Acanthoceratinae'
  • 'Aconeceratidae was reranked as the subfamily Aconeceratinae and belongs to Oppeliidae'
  • 'Adkinsia belongs to Flickiinae'
  • 'Adkinsites was reranked as Oxytropidoceras (Adkinsites) and belongs to Oxytropidoceras'
  • 'Ainoceras was reranked as Jouaniceras (Ainoceras) and belongs to Jouaniceras'
  • 'Ainoceras kamuyi is recombined as Jouaniceras (Ainoceras) kamuyi'
  • 'Ainoceras kamuyi belongs to Ainoceras' according to Matsumoto in Matsumoto & Kaine 1967
  • 'Aioloceras belongs to Pseudosaynellinae'
  • 'Alopecoceras belongs to Gastroplitinae'
  • 'Alzadites belongs to Acanthoceratinae'
  • 'Ammonites (Scaphites) ramosus belongs to Ammonites (Scaphites)' according to Meek 1857
  • 'Ammonites (Scaphites) ramosus is recombined as Hypophylloceras (Neophylloceras) ramosus'
  • 'Ammonites batesii is recombined as Gabbioceras batesi'
  • 'Ammonites belknapi belongs to Ammonites' according to Marcou 1858
  • 'Ammonites belknapi is recombined as Oxytropidoceras (Adkinsites) belknapi'
  • 'Ammonites bunburianum is recombined as Protacanthoceras bunburianus'
  • 'Ammonites cunningtoni is recombined as Cunningtoniceras cunningtoni'
  • 'Ammonites deverianus is recombined as Romaniceras (Romaniceras) deverianus'
  • 'Ammonites elimatus is recombined as Haploceras elimatus'
  • 'Ammonites euthymi is recombined as Neocosmoceras euthymi'
  • 'Ammonites exoticus belongs to Ammonites' according to Oppel 1863
  • 'Ammonites exoticus is recombined as Pterolytoceras exoticus'
  • 'Ammonites gentoni is recombined as Calycoceras (Gentoniceras) gentoni'
  • 'Ammonites goupilianus belongs to Ammonites' according to d'Orbigny 1841
  • 'Ammonites goupilianus is recombined as Prohauericeras goupilianus' according to Nowak 1913
  • 'Ammonites grasianus is recombined as Neolissoceras grasianus'
  • 'Ammonites harpax is recombined as Pseudocalycoceras harpax' according to Thomel 1969
  • 'Ammonites harpax is recombined as Pseudocalycoceras harpax'
  • 'Ammonites heterophyllus is recombined as Phylloceras heterophyllus'
  • 'Ammonites immanis is recombined as Hemilytoceras immanis'
  • 'Ammonites immanis belongs to Ammonites' according to Oppel 1865
  • 'Ammonites inaequalicostatus is recombined as Eulytoceras inaequalicostatus'
  • 'Ammonites infundibulum is recombined as Phyllopachyceras infundibulum'
  • 'Ammonites jaubertianus belongs to Ammonites' according to d'Orbigny 1850
  • 'Ammonites jaubertianus is recombined as Jauberticeras jaubertianus'
  • 'Ammonites lamarcki belongs to Ammonites' according to Bowditch 1822
  • 'Ammonites lamarcki is recombined as Ammonoceratites lamarcki'
  • 'Ammonites liptoviensis belongs to Ammonites' according to Zeuschner 1856
  • 'Ammonites liptoviensis is recombined as Pseudohaploceras liptoviensis'
  • 'Ammonites macrotelus belongs to Ammonites' according to Oppel 1865
  • 'Ammonites macrotelus is recombined as Cyrtosiceras macrotelus'
  • 'Ammonites mantelli is recombined as Mantelliceras mantelli' according to Hyatt 1903
  • 'Ammonites nodosoides is recombined as Mammites nodosoides' according to Laube and Bruder 1887
  • 'Ammonites obesus belongs to Ammonites' according to Stoliczka 1865
  • 'Ammonites obesus is recombined as Tropitoides obesus' according to Spath 1925
  • 'Ammonites partschi belongs to Ammonites' according to Hauer 1854
  • 'Ammonites partschi is recombined as Phylloceras (Partschiceras) partschi'
  • 'Ammonites pentagonus is recombined as Eucalycoceras pentagonum'
  • 'Ammonites proteus is recombined as Falloticeras proteus'
  • 'Ammonites quadrisulcatus belongs to Ammonites' according to d'Orbigny 1841
  • 'Ammonites quadrisulcatus is recombined as Protetragonites quadrisulcatus'
  • 'Ammonites reveliereanus is recombined as Spathites (Jeanrogericeras) reveliereanus'
  • 'Ammonites rusticus is recombined as Metasigaloceras rusticum'
  • 'Ammonites tortisulcatus belongs to Ammonites' according to d'Orbigny 1841
  • 'Ammonites tortisulcatus is recombined as Sowerbyceras tortisulcatus'
  • 'Ammonites ventanillensis is recombined as Mojsisoviczia ventanillensis'
  • 'Ammonites wiestii is recombined as Paracalycoceras wiestii' according to Spath 1925
  • 'Ammonites wiestii belongs to Ammonites' according to Sharpe 1857
  • 'Ammonites zetes belongs to Ammonites' according to d'Orbigny 1850
  • 'Ammonites zetes is recombined as Phylloceras (Zetoceras) zetes'
  • 'Ammonites zonarius belongs to Ammonites' according to Oppel 1865
  • 'Ammonites zonarius is recombined as Substreblites zonarius'
  • 'Ammonitina belongs to Ammonoidea'
  • 'Ammonoceratites belongs to Lytoceratinae'
  • 'Ammonoidea belongs to Cephalopoda'
  • 'Anacleoniceras was reranked as Cleoniceras (Anacleoniceras) and belongs to Cleoniceras'
  • 'Anadesmoceras belongs to Cleoniceratidae'
  • 'Anagaudryceras belongs to Gaudryceratidae'
  • 'Anahoplites belongs to Anahoplitinae'
  • 'Anahoplitinae belongs to Hoplitidae'
  • 'Anahoplitoides belongs to Anahoplitinae'
  • 'Ancylocerataceae belongs to Ancyloceratina'
  • 'Ancyloceratina belongs to Ammonoidea'
  • 'Andersonites is a subjective synonym of Gauthiericeras'
  • 'Andersonites listeri is recombined as Gauthiericeras listeri'
  • 'Andesites is a subjective synonym of Argentiniceras'
  • 'Aneuretoceras belongs to Texanitinae'
  • 'Arcthoplites belongs to Cleoniceratidae'
  • 'Arestoceras belongs to Mortoniceratinae'
  • 'Argentiniceras belongs to Neocomitinae'
  • 'Askoloboceras is a subjective synonym of Hysteroceras'
  • 'Astiericeras belongs to Astiericeratidae'
  • 'Astiericeratidae belongs to Douvilleicerataceae'
  • 'Astieridiscus belongs to Holcodiscidae'
  • 'Banikoceras belongs to Berriasellinae'
  • 'Barroisiceras belongs to Barroisiceratinae'
  • 'Bauchioceras (Wrightoceras) was reranked as Wrightoceras and belongs to Pseudotissotiinae'
  • 'Benueites belongs to Acanthoceratinae'
  • 'Berriasella (Malbosiceras) was reranked as Malbosiceras and belongs to Berriasellinae'
  • 'Beudanticeras belongs to Beudanticeratinae'
  • 'Beudanticeras (Grantziceras) was reranked as Grantziceras and belongs to Beudanticeratinae'
  • 'Beudantiella is a subjective synonym of Cophinoceras'
  • 'Bevahites belongs to Texanitinae'
  • 'Bihenduloceras is a subjective synonym of Spiticeras'
  • 'Binneyitidae belongs to Haplocerataceae'
  • 'Boliteceras belongs to Beudanticeratinae'
  • 'Borealites belongs to Tolliinae'
  • 'Bornhardticeras belongs to Streblitinae'
  • 'Brancoceras carinatum is recombined as Brancoceras (Brancoceras) carinatum'
  • 'Brancoceratinae belongs to Brancoceratidae'
  • 'Brewericeras belongs to Cleoniceratidae'
  • 'Bucaillella belongs to Sonneratiinae'
  • 'Buccinammonites belongs to Mammitinae'
  • 'Buchiceras belongs to Mammitinae'
  • 'Budaiceras belongs to Stoliczkaiinae'
  • 'Burroceras is a subjective synonym of Euomphaloceras'
  • 'Burroceras clydense is recombined as Euomphaloceras clydense'
  • 'Californiceras is a subjective synonym of Simbirskites'
  • 'Callihoplites belongs to Hoplitinae'
  • 'Calliphylloceras belongs to Calliphylloceratinae'
  • 'Calliphylloceratinae belongs to Phylloceratidae'
  • 'Calliptychoceras belongs to Neocomitinae'
  • 'Callizoniceras belongs to Puzosiinae'
  • 'Calycoceras belongs to Acanthoceratinae'
  • 'Calycoceras (Calycoceras) belongs to Calycoceras'
  • 'Calycoceras (Conlinoceras) was reranked as Conlinoceras and belongs to Acanthoceratinae'
  • 'Calycoceras (Conlinoceras) gilberti is recombined as Conlinoceras gilberti'
  • 'Calycoceras (Hourcqiceras) belongs to Calycoceras'
  • 'Calycoceras (Hourcqiceras) hourcqi belongs to Calycoceras (Hourcqiceras)' according to Collignon 1939
  • 'Calycoceras (Newboldiceras) belongs to Calycoceras'
  • 'Carinolytoceras belongs to Lytoceratinae'
  • 'Carinolytoceras carinatum belongs to Carinolytoceras' according to Wiedmann 1962
  • 'Carinolytoceras carinatum belongs to Carinolytoceras'
  • 'Carinophylloceras belongs to Phylloceratinae'
  • 'Carinophylloceras collignoni belongs to Carinophylloceras'
  • 'Carstenia was reranked as Pulchellia (Carstenia) and belongs to Pulchellia'
  • 'Caspianites belongs to Ancyloceratinae'
  • 'Chigaroceras belongs to Berriasellinae'
  • 'Chimbuites belongs to Pachydiscidae'
  • 'Choffaticeras belongs to Pseudotissotiinae'
  • 'Christophoceras is a subjective synonym of Schlueterella'
  • 'Cicatrites belongs to Macroscaphitidae'
  • 'Cloioceras belongs to Mathoceratinae'
  • 'Coahuilites belongs to Sphenodiscinae'
  • 'Codazziceras belongs to Euomphaloceratinae'
  • 'Cophinoceras belongs to Beudanticeratinae'
  • 'Coronites belongs to Pulchelliidae'
  • 'Cottreauites is a subjective synonym of Paracalycoceras'
  • 'Craspeditidae was reranked as the subfamily Craspeditinae and belongs to Polyptychitidae'
  • 'Craspedodiscus was reranked as Simbirskites (Craspedodiscus) and belongs to Simbirskites'
  • 'Crioceras astierianum belongs to Crioceras' according to d'Orbigny 1841
  • 'Crioceras astierianum is recombined as Pictetia astierianum'
  • 'Cruasiceras belongs to Endemoceratinae'
  • 'Cryptometoicoceras belongs to Mammitinae'
  • 'Cunningtoniceras belongs to Acanthoceratinae'
  • 'Cuyaniceras belongs to Neocomitinae'
  • 'Cymahoplites belongs to Cleoniceratidae'
  • 'Cyrtosiceras belongs to Streblitinae'
  • 'Damesites belongs to Desmoceratidae'
  • 'Daradiceras belongs to Sphenodiscinae'
  • 'Defordiceras belongs to Texanitinae'
  • 'Deshayesitaceae belongs to Ancyloceratina'
  • 'Desmoceras belongs to Desmoceratinae'
  • 'Desmoceras (Desmoceras) belongs to Desmoceras'
  • 'Desmocerataceae belongs to Ammonitina'
  • 'Diaziceras belongs to Barroisiceratinae'
  • 'Dichotomites oregonensis is recombined as Homolsomites oregonensis'
  • 'Didymoceras was reranked as Nostoceras (Didymoceras) and belongs to Nostoceras'
  • 'Dimorphoplites belongs to Hoplitinae'
  • 'Diplasioceras is a subjective synonym of Rhytidoceras'
  • 'Dipoloceroides is a subjective synonym of Mojsisoviczia'
  • 'Donenriquoceras belongs to Pseudotissotiinae'
  • 'Douvilleiceras belongs to Douvilleiceratinae'
  • 'Douvilleicerataceae belongs to Ancyloceratina'
  • 'Douvilleiceratidae belongs to Douvilleicerataceae'
  • 'Douvilleiceratinae belongs to Douvilleiceratidae'
  • 'Dunveganoceras belongs to Acanthoceratinae'
  • 'Dunveganoceras (Dunveganoceras) belongs to Dunveganoceras' according to Warren and Stelck 1940
  • 'Eboroceras is a subjective synonym of Forresteria'
  • 'Elobiceras belongs to Mortoniceratinae'
  • 'Endemoceras is a subjective synonym of Lyticoceras'
  • 'Eodesmoceras is a subjective synonym of Desmoceras'
  • 'Eodesmoceras is a subjective synonym of Puzosia' according to Busnardo and Thieuloy 1989
  • 'Eogaudryceras belongs to Gaudryceratidae'
  • 'Eogaudryceras (Eogaudryceras) belongs to Eogaudryceras'
  • 'Eogunnarites belongs to Marshallitinae'
  • 'Eomadrasites belongs to Marshallitinae'
  • 'Eopachydiscus belongs to Pachydiscidae'
  • 'Eotetragonites was reranked as Eogaudryceras (Eotetragonites) and belongs to Eogaudryceras'
  • 'Epancyloceras belongs to Ancyloceratinae'
  • 'Epiglyptoxoceras is a subjective synonym of Neoglyptoxoceras'
  • 'Epihoplites belongs to Hoplitinae'
  • 'Erdenella is a subjective synonym of Subalpinites'
  • 'Erichsenites belongs to Coilopoceratidae'
  • 'Erioliceras belongs to Brancoceratinae'
  • 'Erioliceratinae is a subjective synonym of Brancoceratinae'
  • 'Eucalycoceras belongs to Acanthoceratinae'
  • 'Eucalycoceras (Proeucalycoceras) is reassigned into Calycoceras'
  • 'Eucalycoceras leonense is recombined as Paraconlinoceras leonense'
  • 'Euhoplites belongs to Hoplitinae'
  • 'Eulophoceras belongs to Lenticeratinae'
  • 'Eulytoceras belongs to Lytoceratinae'
  • 'Euomphaloceras belongs to Euomphaloceratinae'
  • 'Euomphaloceratinae belongs to Acanthoceratidae'
  • 'Euphylloceras is a subjective synonym of Hypophylloceras'
  • 'Euthymiceras is a subjective synonym of Neocosmoceras'
  • 'Falloticeras belongs to Mojsisovicziinae'
  • 'Farnhamia belongs to Sonneratiinae'
  • 'Fauriella is a subjective synonym of Subthurmannia'
  • 'Ficheuria belongs to Flickiinae'
  • 'Flickia belongs to Flickiinae'
  • 'Flickiinae belongs to Flickiidae'
  • 'Forbesiceras belongs to Forbesiceratidae'
  • 'Fournierella was reranked as Pseudoschloenbachia (Fournierella) and belongs to Pseudoschloenbachia'
  • 'Freboldiceras belongs to Cleoniceratidae'
  • 'Frenguelliceras belongs to Neocomitinae'
  • 'Gabbioceras belongs to Gabbioceratinae'
  • 'Gabbioceratinae belongs to Tetragonitidae'
  • 'Gastroplites belongs to Gastroplitinae'
  • 'Gastroplitinae belongs to Hoplitidae'
  • 'Gaudryceras belongs to Gaudryceratidae'
  • 'Gaudryceras (Gaudryceras) belongs to Gaudryceras'
  • 'Gaudryceratidae belongs to Tetragonitaceae'
  • 'Gazdaganites is a subjective synonym of Metaclavites'
  • 'Gentoniceras was reranked as Calycoceras (Gentoniceras) and belongs to Calycoceras'
  • 'Georgioceras is a subjective synonym of Pseudothurmannia'
  • 'Georgioceras kohllarseni is recombined as Pseudothurmannia kohllarseni'
  • 'Gerhardtia is a subjective synonym of Heinzia'
  • 'Germariceras belongs to Collignoniceratinae'
  • 'Goodhallites belongs to Mortoniceratinae'
  • 'Graysonites belongs to Mantelliceratinae'
  • 'Graysonites lozoi belongs to Graysonites'
  • 'Gyaloceras was reranked as Aconeceras (Gyaloceras) and belongs to Aconeceras'
  • 'Gyaloceras smithi is recombined as Aconeceras (Gyaloceras) smithi'
  • 'Gymnoplites belongs to Holcodiscidae'
  • 'Hamites obstrictus is recombined as Polyptychoceras (Polyptychoceras) obstrictum'
  • 'Hannaites belongs to Endemoceratinae'
  • 'Hannaites belongs to Dictyochaceae'
  • 'Haploceras belongs to Haploceratidae'
  • 'Haplocerataceae belongs to Ammonitina'
  • 'Haploceratidae belongs to Haplocerataceae'
  • 'Haresiceras belongs to Scaphitinae'
  • 'Hemilytoceras belongs to Lytoceratinae'
  • 'Hemitetragonites is a subjective synonym of Protetragonites'
  • 'Hemitissotia belongs to Pseudotissotiinae'
  • 'Betiokytes is a subjective synonym of Neoptychites'
  • 'Hengestites belongs to Placenticeratidae'
  • 'Holcodiscoides belongs to Marshallitinae'
  • 'Holcophylloceras belongs to Calliphylloceratinae'
  • 'Holcostephanus is a subjective synonym of Olcostephanus'
  • 'Hoplitaceaea is corrected as Hoplitaceae and belongs to Ammonitina'
  • 'Hoplites belongs to Hoplitinae'
  • 'Hourcqiinae belongs to Pseudotissotiidae'
  • 'Hourcquia belongs to Hourcquiinae'
  • 'Hulenites belongs to Marshallitinae'
  • 'Hypengonoceras belongs to Engonoceratidae'
  • 'Hyphoplites belongs to Hoplitinae'
  • 'Hypophylloceras (Hypophylloceras) belongs to Hypophylloceras'
  • 'Hypophylloceras (Hypophylloceras) belongs to Hypophylloceras' according to Salfeld 1924
  • 'Hysteroceras belongs to Brancoceratinae'
  • 'Indoceras belongs to Sphenodiscinae'
  • 'Inflaticeras is a subjective synonym of Mortoniceras'
  • 'Ingridella was reranked as Spathites (Ingridella) and belongs to Spathites'
  • 'Ishikariceras belongs to Peroniceratinae'
  • 'Jabronella is a subjective synonym of Subalpinites'
  • 'Janenschites belongs to Bochianitinae'
  • 'Jauberticeras belongs to Gabbioceratinae'
  • 'Jeanrogericeras was reranked as Spathites (Jeanrogericeras) and belongs to Spathites'
  • 'Jeanrogericeras sornayi is recombined as Thomelites sornayi'
  • 'Jeanthieuloyites is a subjective synonym of Olcostephanus'
  • 'Jimboiceras belongs to Puzosiinae'
  • 'Jimenesites is a subjective synonym of Submortoniceras'
  • 'Jouaniceras belongs to Nostoceratidae'
  • 'Kachpurites was reranked as Craspedites (Kachpurites) and belongs to Craspedites'
  • 'Kamerunoceras belongs to Euomphaloceratinae'
  • 'Karamaiceras is a subjective synonym of Placenticeras'
  • 'Kastanoceras belongs to Acanthoceratinae'
  • 'Kastanoceras spiniger is corrected as Kastanoceras spinigerum and belongs to Kastanoceras'
  • 'Kennediella belongs to Acanthoceratinae'
  • 'Knemiceras belongs to Engonoceratidae'
  • 'Knemiceras (Platiknemiceras) was reranked as Platiknemiceras and belongs to Engonoceratidae'
  • 'Komeceras is a subjective synonym of Hysteroceras'
  • 'Kondiloceras belongs to Barroisiceratinae'
  • 'Kossmatella belongs to Gaudryceratinae'
  • 'Kossmaticeras (Jacobites) belongs to Kossmaticeras' according to Kilian and Reboul 1909
  • 'Kossmaticeras (Jacobites) was reranked as Jacobites and belongs to Kossmaticeratinae'
  • 'Kotoceras is replaced by Damesites'
  • 'Lecointriceras belongs to Collignoniceratinae'
  • 'Leconteites belongs to Cleoniceratidae'
  • 'Lemuroceras belongs to Cleoniceratidae'
  • 'Lenticeras belongs to Lenticeratinae'
  • 'Lenticeratidae was reranked as the subfamily Lenticeratinae and belongs to Sphenodiscidae'
  • 'Leptotetragonites is a subjective synonym of Protetragonites'
  • 'Libycoceras belongs to Sphenodiscinae'
  • 'Limaites belongs to Neocomitinae'
  • 'Lissonia belongs to Neocomitinae'
  • 'Lithancylus belongs to Ancyloceratinae'
  • 'Lobolytoceras is a subjective synonym of Lytoceras'
  • 'Lopholobites belongs to Pulchelliidae'
  • 'Lotzeites belongs to Euomphaloceratinae'
  • 'Lymaniceras belongs to Collignoniceratinae'
  • 'Lytoceras belongs to Lytoceratinae'
  • 'Lytoceras (Argonauticeras) was reranked as Argonauticeras and belongs to Lytoceratinae'
  • 'Lytoceras (Tetragonites) was reranked as Tetragonites and belongs to Tetragonitinae'
  • 'Lytoceras argonautarum belongs to Lytoceras' according to Anderson 1902
  • 'Lytoceras argonautarum is recombined as Argonauticeras argonautarum'
  • 'Lytoceras triboleti belongs to Lytoceras' according to Uhlig 1902
  • 'Lytoceras triboleti is recombined as Metalytoceras triboleti'
  • 'Lytocerataceae belongs to Lytoceratina'
  • 'Lytoceratidae belongs to Lytocerataceae'
  • 'Lytoceratina belongs to Ammonoidea'
  • 'Lytoceratinae belongs to Lytoceratidae'
  • 'Lytocrioceras belongs to Helicancylinae'
  • 'Lytodiscoides belongs to Puzosiinae'
  • 'Maccarthyites belongs to Marshallitinae'
  • 'Mammites belongs to Mammitinae'
  • 'Mammitidae was reranked as the subfamily Mammitinae and belongs to Acanthoceratidae'
  • 'Mancosiceras was reranked as Haresiceras (Mancosiceras) and belongs to Haresiceras'
  • 'Mantelliceras belongs to Mantelliceratinae'
  • 'Pseudomantelliceras is a subjective synonym of Eucalycoceras'
  • 'Mantelliceras sellardsi is recombined as Tarrantoceras (Tarrantoceras) sellardsi'
  • 'Mantelliceratinae belongs to Acanthoceratidae'
  • 'Masiaposites belongs to Hourcquiinae'
  • 'Mathoceras belongs to Mathoceratinae'
  • 'Megatyloceras belongs to Roloboceratinae'
  • 'Menabonites belongs to Pachydiscidae'
  • 'Mesogaudryceras was reranked as Gaudryceras (Mesogaudryceras) and belongs to Gaudryceras'
  • 'Metahamites belongs to Anisoceratidae'
  • 'Metahoplites belongs to Holcodiscidae'
  • 'Metalytoceras belongs to Lytoceratinae'
  • 'Metasigaloceras belongs to Mammitinae'
  • 'Metatissotia belongs to Tissotiidae'
  • 'Metoicoceras belongs to Mammitinae'
  • 'Metoicoceras wyomingensis is recombined as Dunveganoceras (Plesiacanthoceras) wyomingense'
  • 'Microdesmoceras belongs to Desmoceratinae'
  • 'Microdiphasoceras belongs to Vascoceratidae'
  • 'Microsulcatoceras belongs to Acanthoceratinae'
  • 'Mikasaites belongs to Marshallitinae'
  • 'Mitonia belongs to Mammitinae'
  • 'Miyakoceras belongs to Silesitidae'
  • 'Moffitites belongs to Marshallitinae'
  • 'Mojsisoviczia belongs to Mojsisovicziinae'
  • 'Mojsisoviczia duerfeldi is a subjective synonym of Mojsisoviczia ventanillensis'
  • 'Mojsisovicziinae belongs to Brancoceratidae'
  • 'Moretella belongs to Cleoniceratidae'
  • 'Morrowites belongs to Euomphaloceratinae'
  • 'Mortoniceras (Cantabrigites) was reranked as Cantabrigites and belongs to Mortoniceratinae'
  • 'Mrhiliceras is corrected as Mhriliceras and belongs to Mantelliceratinae'
  • 'Muniericeras belongs to Muniericeratidae'
  • 'Nannometoicoceras belongs to Mammitinae'
  • 'Nebraskites belongs to Acanthoceratinae'
  • 'Nebraskites haresiceratiforme belongs to Nebraskites'
  • 'Neocardioceras belongs to Acanthoceratinae'
  • 'Neocrioceras (Schlueterella) is reassigned into Pseudoxybeloceras'
  • 'Neoepigoniceras is a nomen nudum'
  • 'Neogastroplites belongs to Gastroplitinae'
  • 'Neoharpoceras belongs to Mortoniceratinae'
  • 'Neokanabiceras is a subjective synonym of Forresteria'
  • 'Neokentroceras belongs to Brancoceratinae'
  • 'Neolissoceras belongs to Haploceratidae'
  • 'Neophlycticeras belongs to Stoliczkaiinae'
  • 'Neophylloceras was reranked as Hypophylloceras (Neophylloceras) and belongs to Hypophylloceras'
  • 'Neoselwynoceras is a subjective synonym of Texanites'
  • 'Neosilesites belongs to Silesitidae'
  • 'Neotollia is a subjective synonym of Tollia'
  • 'Neoturrilites is a nomen nudum'
  • 'Neposiella is a subjective synonym of Neosilesites'
  • 'Newboldiceras (Mourreiceras) is a subjective synonym of Calycoceras (Newboldiceras)'
  • 'Newboldiceras (Mourreiceras) mourrei is recombined as Calycoceras (Newboldiceras) mourrei'
  • 'Newboldiceras (Newboldiceras) is an objective synonym of Calycoceras (Newboldiceras)'
  • 'Niceforoceras belongs to Barroisiceratinae'
  • 'Nigericeras belongs to Acanthoceratinae'
  • 'Nodosohoplites is a subjective synonym of Diadochoceras'
  • 'Nostoceratidae belongs to Turrilitaceae'
  • 'Nubidites belongs to Sphenodiscinae'
  • 'Odontodiscoceras belongs to Neocomitinae'
  • 'Holcostephanus is a misspelling of Olcostephanus'
  • 'Omocyrtoceras is a subjective synonym of Erioliceras'
  • 'Oppeliidae belongs to Haplocerataceae'
  • 'Otohoplites belongs to Sonneratiinae'
  • 'Oxytropidoceras belongs to Mojsisovicziinae'
  • 'Oxytropidoceras (Androiavites) is a subjective synonym of Oxytropidoceras (Adkinsites)'
  • 'Pachydesmoceras belongs to Puzosiinae'
  • 'Pachydiscoides belongs to Pachydiscidae'
  • 'Pachygrycia belongs to Cleoniceratidae'
  • 'Paraburroceras belongs to Euomphaloceratinae'
  • 'Paracalycoceras belongs to Stoliczkaiinae'
  • 'Paracompsoceras belongs to Acanthoceratinae'
  • 'Paraconlinoceras belongs to Acanthoceratinae'
  • 'Paradolphia belongs to Forbesiceratidae'
  • 'Parahoplites aschiltaensis is recombined as Acanthohoplites aschiltaensis'
  • 'Parajaubertella belongs to Tetragonitinae'
  • 'Paralenticeras belongs to Lenticeratinae'
  • 'Paramammites belongs to Euomphaloceratinae'
  • 'Parapachydiscus peninsularis is recombined as Menuites peninsularis'
  • 'Paraspiticeras belongs to Roloboceratinae'
  • 'Parastieria belongs to Olcostephaninae'
  • 'Paratexanites belongs to Texanitinae'
  • 'Paratissotia belongs to Tissotiidae'
  • 'Parengonoceras belongs to Engonoceratidae'
  • 'Paroxytropidoceras is a nomen nudum'
  • 'Partschiceras was reranked as Phylloceras (Partschiceras) and belongs to Phylloceras'
  • 'Patagiosites belongs to Pachydiscidae'
  • 'Perisphinctaceae belongs to Ammonitina'
  • 'Mortoniceras (Pervinquieria) is an objective synonym of Mortoniceras (Mortoniceras)'
  • 'Pervinquieria (Styphloceras) is a subjective synonym of Mortoniceras (Mortoniceras)'
  • 'Petinoceras is a subjective synonym of Hysteroceras'
  • 'Phylloceras belongs to Phylloceratinae'
  • 'Phylloceras (Hypophylloceras) was reranked as Hypophylloceras and belongs to Phylloceratinae'
  • 'Phylloceras (Phylloceras) belongs to Phylloceras'
  • 'Phylloceras disputabile belongs to Phylloceras' according to Zittel 1869
  • 'Phylloceras disputabile is recombined as Calliphylloceras disputabile'
  • 'Phylloceras feddeni is recombined as Ptychophylloceras feddeni'
  • 'Phylloceras mediterraneum belongs to Phylloceras' according to Neumayr 1871
  • 'Phylloceras mediterraneum is recombined as Holcophylloceras mediterraneum'
  • 'Phylloceras onoensis is recombined as Hypophylloceras onoense'
  • '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'
  • 'Pictetia belongs to Lytoceratinae'
  • 'Placenticeras discoidale belongs to Placenticeras' according to Müller 1900
  • 'Placenticeras discoidale is recombined as Bornhardticeras discoidale'
  • 'Platylenticeratinae belongs to Polyptychitidae'
  • 'Plesiacanthoceras was reranked as Dunveganoceras (Plesiacanthoceras) and belongs to Dunveganoceras'
  • 'Plesiacanthoceratoides belongs to Acanthoceratinae'
  • 'Plesiohamites belongs to Turrilitaceae'
  • 'Plesiospitidiscus belongs to Barremitinae'
  • 'Pleurohoplites belongs to Anahoplitinae'
  • 'Pleurotexanites belongs to Texanitinae'
  • 'Polyptychitidae belongs to Perisphinctaceae'
  • 'Polyptychitinae belongs to Polyptychitidae'
  • 'Praemanambolites was reranked as Manambolites (Praemanambolites) and belongs to Manambolites'
  • 'Praetollia belongs to Craspeditinae'
  • 'Prionocycloceras belongs to Collignoniceratinae'
  • 'Procliviceras is a subjective synonym of Partschiceras'
  • 'Prohauericeras belongs to Acanthoceratinae'
  • 'Prohelicoceras belongs to Anisoceratidae'
  • 'Prohysteroceras belongs to Mortoniceratinae'
  • 'Prolyelliceras belongs to Lyelliceratinae'
  • 'Protacanthoceras belongs to Acanthoceratinae'
  • 'Protacanthoceras vetula is recombined as Plesiacanthoceratoides vetula'
  • 'Protacanthodiscus belongs to Berriasellinae'
  • 'Protacanthoplites is a subjective synonym of Acanthohoplites'
  • 'Protetragonites belongs to Lytoceratinae'
  • 'Protexanites belongs to Texanitinae'
  • 'Protohoplites belongs to Sonneratiinae'
  • 'Protokossmaticeras belongs to Marshallitinae'
  • 'Protothurmannia belongs to Neocomitinae'
  • 'Proturrilitoides belongs to Turrilitidae'
  • 'Pseudacompsoceras is a subjective synonym of Acompsoceras'
  • 'Pseudacompsoceras vectense is recombined as Acanthoceras vectense'
  • 'Pseudacompsoceras vectense belongs to Pseudacompsoceras' according to Spath 1925
  • 'Pseudaspidoceras belongs to Euomphaloceratinae'
  • 'Pseudobarroisiceras belongs to Barroisiceratinae'
  • 'Pseudocalycoceras belongs to Acanthoceratinae'
  • 'Pseudofavrella belongs to Endemoceratinae'
  • 'Pseudohaploceras belongs to Puzosiinae'
  • 'Pseudojacobites belongs to Pachydiscidae'
  • 'Pseudophyllites belongs to Tetragonitidae'
  • 'Pseudoplacenticeras is a subjective synonym of Placenticeras'
  • 'Pseudosaynella belongs to Pseudosaynellinae'
  • 'Pseudosaynellinae belongs to Desmoceratidae'
  • 'Pseudosilesites belongs to Silesitoidinae'
  • 'Pseudosonneratia belongs to Sonneratiinae'
  • 'Pseudotissotia coahuilaensis is recombined as Spathites (Spathites) coahuilaensis'
  • 'Pseudotissotia inopinata belongs to Pseudotissotia' according to Kennedy and Bayliss 1979
  • 'Pseudotissotia inopinata is recombined as Paracompsoceras inopinata' according to Cooper 1979
  • 'Pseudotissotia inopinata is recombined as Kennediella inopinata' according to Cooper 1979
  • 'Psilohamites was reranked as Hamites (Psilohamites) and belongs to Hamites'
  • 'Psilopulchellia belongs to Pulchelliidae'
  • 'Psilotissotia belongs to Pulchelliidae'
  • 'Pterolytoceras belongs to Lytoceratinae'
  • 'Pteroscaphites belongs to Scaphitinae'
  • 'Ptychophylloceras belongs to Calliphylloceratinae'
  • 'Pulchelliaceae belongs to Ammonitina'
  • 'Pulchelliidae belongs to Pulchelliaceae'
  • 'Quitmaniceras belongs to Acanthoceratinae'
  • 'Quitmaniceras reaseri belongs to Quitmaniceras'
  • 'Raimondiceras belongs to Neocomitinae'
  • 'Rhamphidoceras belongs to Mammitinae'
  • 'Riasanites belongs to Berriasellinae'
  • 'Roemeroceras is a subjective synonym of Buchiceras'
  • 'Roemeroceras gabbi is recombined as Buchiceras gabbi'
  • 'Roloboceratinae belongs to Douvilleiceratidae'
  • 'Romaniceras belongs to Euomphaloceratinae'
  • 'Romaniceras (Neomphaloceras) belongs to Romaniceras' according to Matsumoto and Obata 1982
  • 'Romaniceras (Romaniceras) belongs to Romaniceras'
  • 'Rossalites belongs to Anisoceratidae'
  • 'Rubroceras belongs to Vascoceratidae'
  • 'Saghalinites belongs to Tetragonitidae'
  • 'Salfeldiella is a subjective synonym of Holcophylloceras'
  • 'Saltericeras is a subjective synonym of Schloenbachia'
  • 'Saynoceras gazellae is recombined as Neosaynoceras gazellae'
  • 'Scaphamites belongs to Hamitidae'
  • 'Scaphitaceae belongs to Ancyloceratina'
  • 'Scaphites was reranked as Ammonites (Scaphites) and belongs to Ammonites' according to Meek 1857
  • 'Semenoviceras belongs to Hoplitinae'
  • 'Sharpeiceras belongs to Mantelliceratinae'
  • 'Shuparoceras was reranked as Romaniceras (Shuparoceras) and belongs to Romaniceras'
  • 'Silesitoides belongs to Silesitoidinae'
  • 'Silesitoidinae belongs to Desmoceratidae'
  • 'Simbirskitidae was reranked as the subfamily Simbirskitinae and belongs to Polyptychitidae'
  • 'Sokolovites belongs to Gastroplitinae'
  • 'Somaliceras is a subjective synonym of Spiticeras'
  • 'Somalites belongs to Mathoceratinae'
  • 'Sonneratia belongs to Sonneratiinae'
  • 'Sonneratiinae belongs to Hoplitidae'
  • 'Sornayceras is a subjective synonym of Zuluiceras'
  • 'Sowerbyceras belongs to Calliphylloceratinae'
  • 'Spathiceras is a subjective synonym of Hysteroceras'
  • 'Spathites belongs to Mammitinae'
  • 'Spathites (Spathites) belongs to Spathites'
  • 'Speetoniceras was reranked as Simbirskites (Speetoniceras) and belongs to Simbirskites'
  • 'Sphenodiscinae belongs to Sphenodiscidae'
  • 'Spitidiscus belongs to Barremitinae'
  • 'Streblites kraffti belongs to Streblites' according to Uhlig 1903
  • 'Streblites kraffti is recombined as Uhligites kraffti'
  • 'Streblitinae belongs to Oppeliidae'
  • 'Subalpinites belongs to Neocomitinae'
  • 'Subbarroisiceras is a subjective synonym of Barroisiceras'
  • 'Suboosterella belongs to Endemoceratinae'
  • 'Subprionocyclus belongs to Collignoniceratinae'
  • 'Subptychoceras was reranked as Polyptychoceras (Subptychoceras) and belongs to Polyptychoceras'
  • 'Subpulchellia belongs to Pulchelliidae'
  • 'Subsaynella belongs to Barremitinae'
  • 'Substreblites belongs to Streblitinae'
  • 'Subthurmannia belongs to Neocomitinae'
  • 'Sumitomoceras was reranked as Tarrantoceras (Sumitomoceras) and belongs to Tarrantoceras'
  • 'Sumitomoceras faustum belongs to Sumitomoceras' according to Matsumoto 1969
  • 'Surites belongs to Tolliinae'
  • 'Takahashia belongs to Tetragonitinae'
  • 'Tarrantoceras belongs to Acanthoceratinae'
  • 'Tarrantoceras (Tarrantoceras) belongs to Tarrantoceras'
  • 'Terascosceras is a subjective synonym of Hysteroceras'
  • 'Teshioites belongs to Pachydiscidae'
  • 'Tetragonitaceae belongs to Lytoceratina'
  • 'Tetragonites (Carinites) belongs to Tetragonites'
  • 'Tetragonites (Tetragonites) belongs to Tetragonites'
  • 'Tetragonites spathi is recombined as Tetragonites (Carinites) spathi'
  • 'Tetragonitidae belongs to Tetragonitaceae'
  • 'Tetragonitinae belongs to Tetragonitidae'
  • 'Tetragonoceras is a subjective synonym of Erioliceras'
  • 'Tetrahoplites belongs to Sonneratiinae'
  • 'Tetrahoplitoides belongs to Cleoniceratidae'
  • 'Thomelites belongs to Acanthoceratinae'
  • 'Tissotioides belongs to Tissotiidae'
  • 'Tlahualiloceras is a subjective synonym of Sharpeiceras'
  • 'Tlahualiloceras tlahualiloensis is recombined as Sharpeiceras tlahualiloensis'
  • 'Tolliinae belongs to Polyptychitidae'
  • 'Tolypeceras was reranked as Platylenticeras (Tolypeceras) and belongs to Platylenticeras'
  • 'Tongoboryceras belongs to Pachydiscidae'
  • 'Tonoceras was reranked as Ancyloceras (Tonoceras) and belongs to Ancyloceras'
  • 'Torcapella belongs to Barremitinae'
  • 'Toxoceras is a subjective synonym of Crioceratites'
  • 'Trachylytoceras is a subjective synonym of Lytoceras'
  • 'Tragodesmoceroides belongs to Desmoceratinae'
  • 'Trochleiceras belongs to Trochleiceratidae'
  • 'Tropitoides belongs to Haplocerataceae'
  • 'Tuberodiscoides belongs to Pachydiscidae'
  • 'Tunesites is a nomen dubium'
  • 'Turrilitaceae belongs to Ancyloceratina'
  • 'Turrilites (Carthaginites) was reranked as Carthaginites and belongs to Turrilitidae'
  • 'Turrilitoides belongs to Turrilitaceae'
  • 'Uhligella belongs to Beudanticeratinae'
  • 'Uhligia belongs to Heteroceratidae'
  • 'Uhligites belongs to Streblitinae'
  • 'Umiaites is corrected as Umaites and belongs to Spiticeratinae'
  • 'Urakawites belongs to Pachydiscidae'
  • 'Utaturiceras belongs to Mantelliceratinae'
  • 'Vascoceras belongs to Vascoceratidae'
  • 'Vascoceras polymorphum is recombined as Paramammites polymorphum'
  • 'Vertebrites belongs to Gaudryceratidae'
  • 'Watinoceras belongs to Acanthoceratinae'
  • 'Watinoceras reesidei is a subjective synonym of Watinoceras amudariense'
  • 'Weavericeras is a subjective synonym of Valdedorsella'
  • 'Wellmanites belongs to Marshallitinae'
  • 'Wellsia is a subjective synonym of Homolsomites'
  • 'Yakushiceras belongs to Marshallitinae'
  • 'Yeharites belongs to Marshallitinae'
  • 'Yubariceras was reranked as Romaniceras (Yubariceras) and belongs to Romaniceras'
  • 'Yubariceras pseudomphalum belongs to Yubariceras' according to Matsumoto 1975
  • 'Yubariceras pseudomphalum is recombined as Romaniceras (Neomphaloceras) pseudomphalum'
  • 'Zelandites belongs to Gaudryceratidae'
  • 'Zetoceras was reranked as Phylloceras (Zetoceras) and belongs to Phylloceras'
  • 'Zuercherella belongs to Beudanticeratinae'