PBDB

Opinions from M. K. Howarth 2013

'Abbasites belongs to Erycitinae'
'Acanthopleuroceras belongs to Tropidoceratinae'
'Acanthopleuroceratinae is a subjective synonym of Tropidoceratinae'
'Accardia is a subjective synonym of Hammatoceras'
'Aegasteroceras belongs to Asteroceratinae'
'Aegoceras belongs to Liparoceratidae'
'Aegoceras (Aegoceras) belongs to Aegoceras' according to Waagen 1869
'Aegoceras (Aegoceras) belongs to Aegoceras'
'Aetomoceras is a subjective synonym of Agassiceras'
'Agassiceras belongs to Agassiceratinae'
'Agassiceratidae was reranked as the family Agassiceratinae and belongs to Arietitidae'
'Vermiceras (Alpinoceras) is a subjective synonym of Vermiceras (Paracaloceras)'
'Alsatites belongs to Alsatitinae'
'Alsatitidae was reranked as the family Alsatitinae and belongs to Arietitidae'
'Alsatitidae belongs to Psilocerataceae' according to Spath 1924
'Alsatitoides is a subjective synonym of Gonioptychoceras'
'Amaltheidae belongs to Eoderoceratoidea'
'Amaltheus belongs to Amaltheidae'
'Amaltheus (Amaltheus) belongs to Amaltheus' according to de Montfort 1808
'Amaltheus (Amaltheus) belongs to Amaltheus'
'Amaltheus (Pseudoamaltheus) belongs to Amaltheus' according to Frebold 1922
'Amaltheus (Pseudoamaltheus) belongs to Amaltheus'
'Amauroceras belongs to Amaltheidae'
'Ambersites is a subjective synonym of Abbasites'
'Amblycoceras is an objective synonym of Aegoceras'
'Ammonites algovianus is recombined as Arieticeras algovianum'
'Ammonites centriglobus is recombined as Metacymbites centriglobus'
'Ammonites gumbrechti is recombined as Jamesonites gumbrechti'
'Ammonites riparius is recombined as Riparioceras riparius'
'Ammonites scissum is recombined as Tmetoceras scissum'
'Ammonites subangularis belongs to Ammonites' according to Oppel 1862
'Ammonites subangularis is recombined as Curviceras subangularis'
'Ammonites zitteli is recombined as Septimaniceras zitteli'
'Ammonitida belongs to Ammonoidea'
'Ammonitina belongs to Ammonitida'
'Ancolioceras is a subjective synonym of Leioceras'
'Andicoeloceras belongs to Coeloceratidae'
'Andidiscus belongs to Fanninoceratinae'
'Androgynoceras belongs to Liparoceratidae'
'Anguidactylites is a subjective synonym of Dactylioceras'
'Angulaticeras belongs to Schlotheimiidae'
'Anguliferites is a subjective synonym of Schlotheimia'
'Anolkoleiites is a subjective synonym of Witchellia'
'Apedogyria is a subjective synonym of Brasilia'
'Apoderoceras belongs to Coeloceratidae'
'Arcidactylites is a subjective synonym of Dactylioceras'
'Arctoasteroceras belongs to Asteroceratinae'
'Arctomercaticeras belongs to Arieticeratinae'
'Argoceras is a subjective synonym of Angulaticeras'
'Argutarpites is a subjective synonym of Protogrammoceras'
'Arieticeras belongs to Arieticeratinae'
'Arieticeras is a nomen vanum'
'Arieticeratinae belongs to Hildoceratidae'
'Arietitacea is a subjective synonym of Psiloceratoidea'
'Arietites was reranked as Coroniceras (Arietites) and belongs to Coroniceras'
'Arietitidae belongs to Psiloceratoidea'
'Arietitinae belongs to Arietitidae'
'Arnioceras belongs to Arietitinae'
'Arnioceratidae is a subjective synonym of Arietitinae'
'Arnioceratoides is a subjective synonym of Coroniceras'
'Arniotites is a subjective synonym of Arnioceras'
'Asaphoceras is a subjective synonym of Hypasteroceras'
'Asteroceras belongs to Asteroceratinae'
'Asteroceratidae was reranked as the subfamily Asteroceratinae and belongs to Arietitidae'
'Asthenoceras belongs to Witchelliinae'
'Atacamiceras belongs to Hildoceratinae'
'Athlodactylites is a subjective synonym of Dactylioceras'
'Austromorphites is a subjective synonym of Fanninoceras'
'Aveyroniceras is a subjective synonym of Reynesoceras'
'Badouxia belongs to Psiloceratinae'
'Bagnolites belongs to Asteroceratinae'
'Bakonyceras belongs to Coeloceratidae'
'Bartoliniceras belongs to Arietitidae'
'Bassaniceras is an objective synonym of Protogrammoceras'
'Beaniceras was reranked as Aegoceras (Beaniceras) and belongs to Aegoceras'
'Becheiceras was reranked as Liparoceras (Becheiceras) and belongs to Liparoceras'
'Bettoniceras belongs to Reynesocoeloceratinae'
'Bifericeras belongs to Eoderoceratinae'
'Boucaulticeras is a subjective synonym of Angulaticeras'
'Bouleiceras belongs to Bouleiceratinae'
'Bouleiceratinae belongs to Hildoceratidae'
'Brasilia belongs to Graphoceratinae'
'Brasilina is a subjective synonym of Brasilia'
'Braunsella is a subjective synonym of Hyperlioceras'
'Braunsina is a subjective synonym of Hyperlioceras'
'Bredyia belongs to Hammatoceratinae'
'Brodiceras is an objective synonym of Brodieia'
'Brodieia belongs to Phymatoceratidae'
'Buckmanites is a subjective synonym of Pseudolioceras'
'Burkhardticeras is a subjective synonym of Arnioceras'
'Burtonia is replaced by Bredyia'
'Caenisites belongs to Asteroceratinae'
'Cagliceras belongs to Erycitinae'
'Caleites is a subjective synonym of Polymorphites'
'Caloceras belongs to Psiloceratinae'
'Caloceratidae is a subjective synonym of Psiloceratidae'
'Canavarella belongs to Leioceratinae'
'Canavaria is replaced by Canavarina'
'Canavaria belongs to Arieticeratinae'
'Canavarina is a subjective synonym of Pleydellia'
'Canavarites belongs to Alsatitinae'
'Cancelliceras is a subjective synonym of Hypasteroceras'
'Capreoliceras belongs to Phricodoceratidae'
'Carixiceras is a subjective synonym of Radstockiceras'
'Catacoeloceras belongs to Dactylioceratinae'
'Catriceras belongs to Tropidoceratinae'
'Catulloceras belongs to Grammoceratinae'
'Ceccaites is a subjective synonym of Euaptetoceras'
'Vermiceras (Centauroceras) is a subjective synonym of Vermiceras (Paracaloceras)'
'Cetonoceras belongs to Reynesocoeloceratinae'
'Charmasseiceras is a subjective synonym of Angulaticeras'
'Chartronia is a subjective synonym of Hammatoceras'
'Cheltonia belongs to Oxynoticeratidae'
'Cingolites is a subjective synonym of Hildaites'
'Cingolites clavatus is recombined as Hildaites clavatus'
'Cingolites spiralis is recombined as Hildaites spiralis'
'Claviceras is a subjective synonym of Euagassiceras'
'Cleviceras belongs to Harpoceratinae'
'Coeloceras belongs to Coeloceratidae'
'Coeloceratidae belongs to Eoderoceratoidea'
'Coeloderoceras is a subjective synonym of Villania'
'Colcanapites is a subjective synonym of Bouleiceras'
'Collina belongs to Dactylioceratinae'
'Collinites is a subjective synonym of Collina'
'Coroniceras belongs to Arietitinae'
'Cosmogyria is a subjective synonym of Ludwigia'
'Costiceras is a subjective synonym of Canavarella'
'Costigrammoceras is a subjective synonym of Grammoceras'
'Costileioceras belongs to Leioceratinae'
'Cotteswoldia is a subjective synonym of Pleydellia'
'Crassiceras belongs to Phymatoceratidae'
'Crassicoeloceras is a subjective synonym of Nodicoeloceras'
'Crestaites belongs to Hammatoceratinae'
'Crickia is a subjective synonym of Ludwigia'
'Crucilobiceras belongs to Eoderoceratinae'
'Csernyeiceras is a subjective synonym of Euaptetoceras'
'Curviceras is a subjective synonym of Waehneroceras'
'Curvidactylites is a subjective synonym of Dactylioceras'
'Cylicoceras belongs to Leioceratinae'
'Cymbites belongs to Cymbitidae'
'Cymbitidae belongs to Psiloceratoidea'
'Cypholioceras is a subjective synonym of Leioceras'
'Dactylioceras belongs to Dactylioceratinae'
'Dactylioceras (Dactylioceras) belongs to Dactylioceras' according to Hyatt 1867
'Dactylioceras (Dactylioceras) belongs to Dactylioceras'
'Dactylioceras (Iranodactylites) belongs to Dactylioceras' according to Repin 2000
'Dactylioceras (Iranodactylites) belongs to Dactylioceras'
'Dactylioceratidae belongs to Eoderoceratoidea'
'Dactylioceratinae belongs to Dactylioceratidae'
'Dactylogrammites is a subjective synonym of Catulloceras'
'Dalaticeras is a subjective synonym of Vermiceras'
'Darellella is a subjective synonym of Fontannesia'
'Darellia is a subjective synonym of Hyperlioceras'
'Darellina is a subjective synonym of Hyperlioceras'
'Dayiceras belongs to Tropidoceratinae'
'Defossiceras is a subjective synonym of Aegoceras'
'Deltoidoceras is a subjective synonym of Hyperlioceras'
'Deltotoceras is a subjective synonym of Hyperlioceras'
'Denckmannia is a subjective synonym of Phymatoceras'
'Depaoceras is a subjective synonym of Graphoceras'
'Deroceras is replaced by Eteoderoceras'
'Deroceratidae is a subjective synonym of Eoderoceratidae'
'Diaphorites is a subjective synonym of Praesphaeroceras'
'Diplesioceras belongs to Hildoceratoidea'
'Diplosellites is a subjective synonym of Vermiceras'
'Discamphiceras belongs to Discamphiceratinae'
'Discamphiceratinae belongs to Psiloceratidae'
'Discoceras is replaced by Vermiceras'
'Dissoroceras is a subjective synonym of Hyperlioceras'
'Dorsetensia belongs to Sonniniinae'
'Dubariceras belongs to Eoderoceratinae'
'Dubariceratidae is a subjective synonym of Eoderoceratidae'
'Dumortieria belongs to Grammoceratinae'
'Dumortieriinae is a subjective synonym of Grammoceratinae'
'Dundryites is a subjective synonym of Sonninites'
'Echioceras belongs to Echioceratidae'
'Echioceratidae belongs to Psiloceratoidea'
'Echioceratoides is a subjective synonym of Paltechioceras'
'Eleganticeras belongs to Harpoceratinae'
'Elegantuliceras is a subjective synonym of Eleganticeras'
'Emaciaticeras belongs to Arieticeratinae'
'Encycloceras is a subjective synonym of Angulaticeras'
'Eoamaltheus belongs to Fanninoceratinae'
'Eodactylites is a subjective synonym of Dactylioceras'
'Eoderoceras belongs to Eoderoceratinae'
'Eoderocerataceae is corrected as Eoderoceratoidea and belongs to Ammonitina'
'Eoderoceratidae belongs to Eoderoceratoidea'
'Eoderoceratinae belongs to Eoderoceratidae'
'Eofuciniceras is a subjective synonym of Fuciniceras'
'Eoprotogrammoceras is a subjective synonym of Protogrammoceras'
'Epammonites is a subjective synonym of Coroniceras'
'Eparietites belongs to Asteroceratinae'
'Eparnioceras is a subjective synonym of Arnioceras'
'Epechioceras is a subjective synonym of Paltechioceras'
'Epideroceras is a subjective synonym of Villania'
'Epideroceras (Pseuduptonia) was reranked as Pseuduptonia and belongs to Phricodoceratidae'
'Epideroceratidae is a subjective synonym of Phricodoceratidae'
'Epophioceras belongs to Asteroceratinae'
'Erbenites is replaced by Euerbenites'
'Eremiticeras is a subjective synonym of Tropidoceras'
'Erycites belongs to Erycitinae'
'Abbasitoides is a subjective synonym of Erycites'
'Erycitidae was reranked as the subfamily Erycitinae and belongs to Hammatoceratidae'
'Erycitoides belongs to Hammatoceratinae'
'Esericeras belongs to Phymatoceratidae'
'Eteoderoceras belongs to Eoderoceratinae'
'Euagassiceras belongs to Agassiceratinae'
'Euaptetoceras belongs to Hammatoceratinae'
'Euasteroceras is a subjective synonym of Caenisites'
'Eucoroniceras was reranked as Coroniceras (Eucoroniceras) and belongs to Coroniceras'
'Eudmetoceras belongs to Hammatoceratinae'
'Euechioceras is a subjective synonym of Paltechioceras'
'Euerbenites belongs to Asteroceratinae'
'Euhoploceras was reranked as Sonninia (Euhoploceras) and belongs to Sonninia'
'Falcifericeras is an objective synonym of Harpoceras'
'Fanninoceras belongs to Fanninoceratinae'
'Fanninoceras (Charlotticeras) belongs to Fanninoceras'
'Fanninoceras (Fanninoceras) belongs to Fanninoceras'
'Fanninoceratinae belongs to Eoderoceratidae'
'Farinaccites is a subjective synonym of Dubariceras'
'Fastigiceras is a subjective synonym of Radstockiceras'
'Fibulocoeloceras is a subjective synonym of Nodicoeloceras'
'Fieldingia is replaced by Fieldingiceras' according to Wiedenmayer 1980
'Fieldingiceras was reranked as Protogrammoceras (Fieldingiceras) and belongs to Protogrammoceras'
'Fissilobiceras belongs to Hammatoceratinae'
'Foetterleiceras belongs to Phricodoceratidae'
'Fontanelliceras belongs to Arieticeratinae'
'Fontannesia belongs to Witchelliinae'
'Franziceras belongs to Psiloceratinae'
'Frechiella belongs to Bouleiceratinae'
'Frechiella (Achilleia) belongs to Frechiella' according to Renz 1913
'Achilleia is a subjective synonym of Frechiella'
'Fuciniceras belongs to Protogrammoceratinae'
'Furlites is a subjective synonym of Gemmellaroceras'
'Furlites involutus is recombined as Gemmellaroceras involutum'
'Furlitinae is a subjective synonym of Polymorphitinae'
'Furloceras belongs to Phymatoceratidae'
'Gabillytes is a subjective synonym of Zugodactylites'
'Gagaticeras belongs to Echioceratidae'
'Gallitellia is a subjective synonym of Harpoceras'
'Geczya is a subjective synonym of Arieticeras'
'Geczyceras is a subjective synonym of Hammatoceras'
'Gelasinites is a subjective synonym of Witchellia'
'Gemmellaroceras belongs to Polymorphitinae'
'Geyeria is replaced by Geyerina'
'Geyerina is a subjective synonym of Cylicoceras'
'Gleviceras belongs to Oxynoticeratidae'
'Glevumites is a subjective synonym of Gleviceras'
'Glyptarpites is a subjective synonym of Harpoceras'
'Goniohildoceras is a subjective synonym of Hildoceras'
'Gonioptychoceras belongs to Alsatitinae'
'Gorgheiceras is a subjective synonym of Polymorphites'
'Grammoceras belongs to Grammoceratinae'
'Grammoceratinae belongs to Hildoceratidae'
'Graphoceras belongs to Graphoceratinae'
'Graphoceratidae belongs to Hildoceratoidea'
'Graphoceratinae belongs to Graphoceratidae'
'Gruneria is a subjective synonym of Phlyseogrammoceras'
'Guexiceras was reranked as Coroniceras (Guexiceras) and belongs to Coroniceras'
'Guhsania belongs to Witchelliinae'
'Guibaliceras is a subjective synonym of Gleviceras'
'Gydanoceras is a subjective synonym of Angulaticeras'
'Gyrophioceras was reranked as Vermiceras (Gyrophioceras) and belongs to Vermiceras' according to Spath 1924
'Gyrophioceras was reranked as Vermiceras (Gyrophioceras) and belongs to Vermiceras'
'Hagenowiceras is an objective synonym of Psilophyllites'
'Hammatoceras belongs to Hammatoceratinae'
'Hammatoceratidae belongs to Hildoceratoidea'
'Hammatoceratinae belongs to Hammatoceratidae'
'Hammatoceratoidea is a subjective synonym of Hildoceratoidea'
'Haplopleuroceras belongs to Zurcheriinae'
'Harpocerataceae is a subjective synonym of Hildoceratoidea'
'Harpoceras belongs to Harpoceratinae'
'Harpoceras (Nagaoceras) belongs to Harpoceras' according to Matsumoto 1947
'Nagaoceras is a subjective synonym of Lioceratoides'
'Harpoceras zitteli is recombined as Fissilobiceras zitteli'
'Harpoceratinae belongs to Hildoceratidae'
'Harpoceratoides is a subjective synonym of Harpoceras'
'Harpohildoceras is a subjective synonym of Hildaites'
'Haugia belongs to Phymatoceratidae'
'Haugiella is a nomen dubium'
'Hemimicroceras is a subjective synonym of Bifericeras'
'Hemimicroceratidae is a subjective synonym of Eoderoceratidae'
'Hemiparinodiceras is a subjective synonym of Phricodoceras'
'Hesperites is a subjective synonym of Angulaticeras'
'Hildaites belongs to Hildoceratinae'
'Hildaites (Hildaites) belongs to Hildaites' according to Buckman 1921
'Hildaites (Hildaites) belongs to Hildaites'
'Hildaitoides belongs to Hildoceratinae'
'Hildoceras belongs to Hildoceratinae'
'Hildocerataceae is corrected as Hildoceratoidea and belongs to Ammonitina'
'Hildoceratidae belongs to Hildoceratoidea'
'Hildoceratinae belongs to Hildoceratidae'
'Hildoceratoides is a subjective synonym of Hildaites'
'Homechioceras is a subjective synonym of Orthechioceras'
'Homoxynoticeras is a subjective synonym of Radstockiceras'
'Hongkongites is a subjective synonym of Angulaticeras'
'Hosoureites is a subjective synonym of Graphoceras'
'Hudlestonia belongs to Grammoceratinae'
'Hugia is a subjective synonym of Hyperlioceras'
'Hyalinites is a subjective synonym of Witchellia'
'Hyattia is a subjective synonym of Ludwigia'
'Hyattina is a subjective synonym of Cylicoceras'
'Hyerifalchia belongs to Cymbitidae'
'Hypasteroceras belongs to Hypasteroceratinae'
'Hypasteroceratinae belongs to Arietitidae'
'Hypechioceras is a subjective synonym of Palaeoechioceras'
'Hyperderoceras belongs to Eoderoceratinae'
'Hyperlioceras belongs to Graphoceratinae'
'Hypoxynoticeras belongs to Oxynoticeratidae'
'Indunoceras is a subjective synonym of Reynesocoeloceras'
'Jacobella belongs to Bouleiceratinae'
'Jamesonites belongs to Polymorphitinae'
'Kammerkarites belongs to Schlotheimiidae'
'Kammerkaroceras belongs to Discamphiceratinae'
'Kamptechioceras is a subjective synonym of Paltechioceras'
'Kedoceratinae is a subjective synonym of Dactylioceratinae'
'Kedonoceras is a subjective synonym of Orthodactylites'
'Keynshamites is a subjective synonym of Vermiceras'
'Kialagvikes is a subjective synonym of Erycitoides'
'Kiliania is a subjective synonym of Ludwigia'
'Kleistoxynoticeras is a subjective synonym of Radstockiceras'
'Kohaticeras belongs to Bouleiceratinae'
'Koinodactylites is an objective synonym of Dactylioceras'
'Kolymoceras is a subjective synonym of Harpoceras'
'Kryptodactylites is a subjective synonym of Orthodactylites'
'Laevispirus is a subjective synonym of Arnioceras'
'Lapparentia is replaced by Monestieria'
'Laqueoceras belongs to Psiloceratinae'
'Leioceras belongs to Leioceratinae'
'Leioceratinae belongs to Graphoceratidae'
'Leptaleoceras belongs to Arieticeratinae'
'Leptarpites is a subjective synonym of Eleganticeras'
'Leptechioceras belongs to Echioceratidae'
'Leptechioceras (Leptechioceras) belongs to Leptechioceras' according to Buckman 1923
'Leptechioceras (Leptechioceras) belongs to Leptechioceras'
'Leptodactylites is a subjective synonym of Dactylioceras'
'Leptonotoceras is a subjective synonym of Gemmellaroceras'
'Leukadiella belongs to Leukadiellinae'
'Leukadiellinae belongs to Hildoceratidae'
'Lioceras is a subjective synonym of Harpoceras'
'Lioceratoides belongs to Protogrammoceratinae'
'Pacificeras is a subjective synonym of Tiltoniceras'
'Liparoceras belongs to Liparoceratidae'
'Liparoceras (Liparoceras) belongs to Liparoceras'
'Liparoceratidae belongs to Eoderoceratoidea'
'Lobodactylites is a subjective synonym of Nodicoeloceras'
'Longziceras belongs to Arietitinae'
'Lopadoceras is a subjective synonym of Hyperlioceras'
'Loryella is a subjective synonym of Phymatoceras'
'Lucya is a subjective synonym of Graphoceras'
'Ludwigella is a subjective synonym of Graphoceras'
'Ludwigia belongs to Graphoceratinae'
'Ludwigina is a subjective synonym of Ludwigia'
'Maceratites is a subjective synonym of Witchellia'
'Maconiceras is a subjective synonym of Harpoceras'
'Macrogrammites belongs to Schlotheimiidae'
'Malladaites belongs to Zurcheriinae'
'Manselia is a subjective synonym of Leioceras'
'Martanites was reranked as Hildaites (Martanites) and belongs to Hildaites'
'Coroniceras (Megarietites) is a subjective synonym of Coroniceras (Arietites)'
'Megastomoceras is a subjective synonym of Kammerkarites'
'Melanhippites is a subjective synonym of Arnioceras'
'Meneghinia is a subjective synonym of Arieticeras'
'Mercaticeras belongs to Hildoceratinae'
'Mercaticeratinae is a subjective synonym of Hildoceratinae'
'Meridiceras belongs to Coeloceratidae'
'Merlaites is a subjective synonym of Brodieia'
'Mesodactylioceratinae is a subjective synonym of Dactylioceratinae'
'Mesodactylites is a subjective synonym of Nodicoeloceras'
'Metacymbites is a subjective synonym of Cymbites'
'Metaderoceras belongs to Eoderoceratinae'
'Metarnioceras belongs to Arietitinae'
'Metechioceras is a subjective synonym of Paltechioceras'
'Metophioceras is a subjective synonym of Vermiceras'
'Metoxynoticeras is a subjective synonym of Radstockiceras'
'Microceras is replaced by Bifericeras'
'Microceratidae is a subjective synonym of Eoderoceratidae'
'Microdactylites is a subjective synonym of Dactylioceras'
'Microderoceras belongs to Eoderoceratinae'
'Micropolyplectus is a subjective synonym of Polyplectus'
'Miltoceras belongs to Coeloceratidae'
'Monestieria is a subjective synonym of Pseudogrammoceras'
'Monestierinae is a subjective synonym of Grammoceratinae'
'Mouterdeiceras is a subjective synonym of Furloceras'
'Mucrodactylites is a subjective synonym of Collina'
'Multicoeloceras is a subjective synonym of Nodicoeloceras'
'Murchisonia is an objective synonym of Ludwigia'
'Murihikuites belongs to Psiloceratinae'
'Murleyiceras is a subjective synonym of Hildaites'
'Nadorites is a subjective synonym of Pleydellia'
'Nannina is a subjective synonym of Fontannesia'
'Nannoceras is a subjective synonym of Fontannesia'
'Naxensiceras is a subjective synonym of Canavaria'
'Nejdia belongs to Bouleiceratinae'
'Neoamaciaticeras is an objective synonym of Tauromeniceras'
'Neofuciniceras is a subjective synonym of Fuciniceras'
'Neolioceratoides is a subjective synonym of Lioceratoides'
'Neomicroceras was reranked as Leptechioceras (Neomicroceras) and belongs to Leptechioceras'
'Neoparoniceras is a subjective synonym of Jacobella'
'Neophyllites is a subjective synonym of Psilophyllites'
'Neoprotogrammoceras is a subjective synonym of Protogrammoceras'
'Neotaffertia is a subjective synonym of Hildaites'
'Newmarracarroceras belongs to Witchelliinae'
'Nodicoeloceras belongs to Dactylioceratinae'
'Nodicoeloceratinae is a subjective synonym of Dactylioceratinae'
'Nomodactylites is a subjective synonym of Dactylioceras'
'Nordamaltheus is a subjective synonym of Amaltheus'
'Ochotoceras is a subjective synonym of Eleganticeras'
'Oedania is a subjective synonym of Graphoceras'
'Oistoceras was reranked as Aegoceras (Oistoceras) and belongs to Aegoceras'
'Omoderoceras is a subjective synonym of Villania'
'Omoderoceras latispira is recombined as Villania latispira'
'Omolonoceras is a subjective synonym of Zugodactylites'
'Onychoceras belongs to Hammatoceratinae'
'Ophideroceras is a subjective synonym of Bifericeras'
'Ophioceras is replaced by Echioceras'
'Oregonites is a subjective synonym of Canavaria'
'Orthechioceras belongs to Echioceratidae'
'Orthildaites belongs to Hildoceratinae'
'Orthodactylites was reranked as Dactylioceras (Orthodactylites) and belongs to Dactylioceras'
'Osperlioceras is corrected as Osperleioceras and belongs to Harpoceratinae'
'Ovaticeras belongs to Harpoceratinae'
'Oxydiscoceras is a subjective synonym of Hypasteroceras'
'Oxydiscus is replaced by Oxydiscoceras'
'Oxynoticeras belongs to Oxynoticeratidae'
'Oxynoticeratidae belongs to Psiloceratoidea'
'Oxyparoniceras is a subjective synonym of Jacobella'
'Pachammatoceras is a subjective synonym of Hammatoceras'
'Palaeoechioceras belongs to Echioceratidae'
'Paltarpites is a subjective synonym of Protogrammoceras'
'Paltechioceras belongs to Echioceratidae'
'Paltopleuroceratidae is a subjective synonym of Amaltheidae'
'Paneia is a subjective synonym of Brasilia'
'Papilliceras was reranked as Sonninia (Papilliceras) and belongs to Sonninia'
'Paquieria is a subjective synonym of Brasilia'
'Paracoroniceras was reranked as Coroniceras (Paracoroniceras) and belongs to Coroniceras'
'Paracoronites is a subjective synonym of Euagassiceras'
'Paracymbites belongs to Oxynoticeratidae'
'Paraderoceras is a subjective synonym of Eoderoceras'
'Paradiscamphiceras belongs to Discamphiceratinae'
'Paradumortieria is a subjective synonym of Dumortieria'
'Parahildaites belongs to Hildoceratinae'
'Parahyperderoceras belongs to Eoderoceratinae'
'Paralytoceras is a subjective synonym of Prodactylioceras'
'Paramicroderoceras belongs to Eoderoceratinae'
'Paramicroderoceratinae is a subjective synonym of Eoderoceratinae'
'Parammatoceras is a subjective synonym of Euaptetoceras'
'Paramorphites is a subjective synonym of Polymorphites'
'Paramorphites acutiventris is recombined as Polymorphites acutiventris'
'Paraphylloceras belongs to Psiloceratinae'
'Pararnioceras is a subjective synonym of Coroniceras'
'Parasteroceras belongs to Asteroceratinae'
'Paratropidoceras belongs to Tropidoceratinae'
'Parazurcheria is a subjective synonym of Zurcheria'
'Parechioceras is a subjective synonym of Gagaticeras'
'Parinodiceras belongs to Polymorphitinae'
'Parinodiceratinae is a subjective synonym of Polymorphitinae'
'Paroniceras belongs to Bouleiceratinae'
'Paronychoceras belongs to Phymatoceratidae'
'Paroxynoticeras belongs to Oxynoticeratidae'
'Parvidactylites is a subjective synonym of Dactylioceras'
'Paviaites belongs to Hammatoceratinae'
'Pelecoceras is a subjective synonym of Phymatoceras'
'Pelekodites is a subjective synonym of Witchellia'
'Pelingoceras is a subjective synonym of Gemmellaroceras'
'Pelingoceras pseudocarinatum is recombined as Gemmellaroceras pseudocarinatum'
'Peridactylites is a subjective synonym of Dactylioceras'
'Peronoceras belongs to Dactylioceratinae'
'Petranoceras is a subjective synonym of Hildaites'
'Phaularpites is a subjective synonym of Harpoceras'
'Phenakoceras is a subjective synonym of Dumortieria'
'Phenakocerites is an objective synonym of Dumortieria'
'Phlyseogrammoceras belongs to Grammoceratinae'
'Phricodoceras belongs to Phricodoceratidae'
'Phricodoceratinae was reranked as the family Phricodoceratidae and belongs to Eoderoceratoidea'
'Phylloxynotites is a subjective synonym of Radstockiceras'
'Phymatoceras belongs to Phymatoceratidae'
'Phymatoceratidae belongs to Hildoceratoidea'
'Picenia is a subjective synonym of Phymatoceras'
'Pimelites belongs to Coeloceratidae'
'Pimelitidae is a subjective synonym of Coeloceratidae'
'Planammatoceras belongs to Hammatoceratinae'
'Planicoeloceras is a subjective synonym of Dactylioceras'
'Planifastigites is a subjective synonym of Brasilia'
'Platygraphoceras is a subjective synonym of Graphoceras'
'Platyharpites is a subjective synonym of Lioceratoides'
'Platynoticeras is a subjective synonym of Parinodiceras'
'Platypleuroceras belongs to Polymorphitinae'
'Platystrophites is a subjective synonym of Porpoceras'
'Plesechioceras belongs to Echioceratidae'
'Pleurechioceras is a subjective synonym of Echioceras'
'Pleuroceras belongs to Amaltheidae'
'Pleydellia belongs to Grammoceratinae'
'Podagrosiceras belongs to Podagrosiceratinae'
'Podagrosiceratinae belongs to Hammatoceratidae'
'Podagrosites belongs to Grammoceratinae'
'Polymorphites belongs to Polymorphitinae'
'Polymorphitidae belongs to Eoderoceratoidea'
'Polymorphitinae belongs to Polymorphitidae'
'Polyplectinae is a subjective synonym of Harpoceratinae'
'Polyplectus belongs to Harpoceratinae'
'Pompeckioceras is a subjective synonym of Ptycharietites'
'Porpoceras belongs to Dactylioceratinae'
'Praederoceras is an objective synonym of Xipheroceras'
'Praehaploceras is a subjective synonym of Pseudolioceras'
'Praeleioceras is a subjective synonym of Lioceratoides'
'Praemercaticeras is a subjective synonym of Hildaites'
'Praepolyplectus is a subjective synonym of Polyplectus'
'Praerycites is a subjective synonym of Phymatoceras'
'Praesphaeroceras belongs to Coeloceratidae'
'Prepapillites is a subjective synonym of Papilliceras'
'Primapsiloceras is a subjective synonym of Psiloceras'
'Primarietites is a subjective synonym of Coroniceras'
'Proamaltheus is a subjective synonym of Amaltheus'
'Proarietites is a subjective synonym of Alsatites'
'Proarietitinae is a subjective synonym of Alsatitinae'
'Proarnioceras is a subjective synonym of Gonioptychoceras'
'Prodactylioceras belongs to Reynesocoeloceratinae'
'Promicroceras belongs to Eoderoceratinae'
'Protechioceras is replaced by Palaeoechioceras'
'Protechioceras belongs to Asteroceratinae'
'Protoarieticeras is a subjective synonym of Arieticeras'
'Protocymbites is a subjective synonym of Vermiceras'
'Protogrammoceras belongs to Protogrammoceratinae'
'Protogrammoceras (Matteiceras) belongs to Protogrammoceras'
'Protogrammoceras (Protogrammoceras) belongs to Protogrammoceras'
'Protogrammoceratinae belongs to Hildoceratidae'
'Pseudaetomoceras belongs to Alsatitinae'
'Pseudagassiceras is a subjective synonym of Euagassiceras'
'Pseudammatoceras is a subjective synonym of Bredyia'
'Pseudaptetoceras belongs to Hammatoceratinae'
'Pseudoarieticeras is a subjective synonym of Arieticeras'
'Coroniceras (Pseudoasteroceras) is a subjective synonym of Coroniceras (Eucoroniceras)'
'Pseudobrodieia is a subjective synonym of Brodieia'
'Pseudogrammoceras belongs to Grammoceratinae'
'Pseudographoceras is a subjective synonym of Ludwigia'
'Pseudolillia belongs to Grammoceratinae'
'Pseudolioceras belongs to Harpoceratinae'
'Pseudolioceras (Pseudolioceras) belongs to Pseudolioceras' according to Buckman 1889
'Pseudolioceras (Pseudolioceras) belongs to Pseudolioceras'
'Pseudomercaticeras belongs to Phymatoceratidae'
'Pseudophricodoceras belongs to Phricodoceratidae'
'Pseudopolyplectus is a subjective synonym of Osperleioceras'
'Pseudoschlotheimia is a subjective synonym of Angulaticeras'
'Pseudoshirbuirnia belongs to Sonniniinae'
'Pseudoskirroceras belongs to Coeloceratidae'
'Pseudotropites belongs to Pseudotropitinae'
'Pseudotropitinae belongs to Arietitidae'
'Pseudowalkericeras is a subjective synonym of Pseudolioceras'
'Psilechioceras is a subjective synonym of Leptechioceras'
'Psiloceras belongs to Psiloceratinae'
'Psilocerataceae is corrected as Psiloceratoidea and belongs to Ammonitina'
'Psiloceratidae belongs to Psiloceratoidea'
'Psiloceratinae belongs to Psiloceratidae'
'Psilonoticeras is an objective synonym of Psiloceras'
'Psilophyllites belongs to Psiloceratinae'
'Ptycharietites belongs to Asteroceratinae'
'Puchenquia belongs to Hammatoceratinae'
'Puchenquia (Gerthiceras) belongs to Puchenquia'
'Puchenquia (Puchenquia) belongs to Puchenquia' according to Westermann and Riccardi 1972
'Puchenquia (Puchenquia) belongs to Puchenquia'
'Radstockiceras belongs to Oxynoticeratidae'
'Rakusites is a subjective synonym of Dactylioceras'
'Rarenodia is a subjective synonym of Phymatoceras'
'Renziceras belongs to Leukadiellinae'
'Retenticeras is a subjective synonym of Radstockiceras'
'Reynesella is a subjective synonym of Hyperlioceras'
'Reynesia is a subjective synonym of Hyperlioceras'
'Reynesoceras belongs to Dactylioceratinae'
'Reynesoceratinae is a subjective synonym of Dactylioceratinae'
'Reynesocoeloceras belongs to Reynesocoeloceratinae'
'Reynesocoeloceratinae belongs to Dactylioceratidae'
'Rhaeboceras is a subjective synonym of Canavarella'
'Rhodaniceras is a subjective synonym of Eudmetoceras'
'Riparioceras is a subjective synonym of Gleviceras'
'Rubrileiites is a subjective synonym of Witchellia'
'Saccaiaceras is a subjective synonym of Coroniceras'
'Saxoceras belongs to Schlotheimiidae'
'Scamnoceras is an objective synonym of Schlotheimia'
'Schloenbachia propinqua is recombined as Tiltoniceras propinquum'
'Schlotheimia belongs to Schlotheimiidae'
'Schlotheimiidae belongs to Psiloceratoidea'
'Schreinbachites belongs to Arietitinae'
'Seccianoceras is a subjective synonym of Cetonoceras'
'Seguentia is a nomen nudum'
'Seguenziceras is a subjective synonym of Arieticeras'
'Seguenziceratinae is replaced by Arieticeratinae'
'Septimaniceras belongs to Dactylioceratinae'
'Shahrudites is a subjective synonym of Spinammatoceras'
'Shakraceras belongs to Grammoceratinae'
'Sherbornites is a subjective synonym of Euhoploceras'
'Shirbuirnia belongs to Sonniniinae'
'Simplidactylites is a subjective synonym of Dactylioceras'
'Slatterites belongs to Oxynoticeratidae'
'Sonninia belongs to Sonniniinae'
'Sonninia (Alaskinia) belongs to Sonninia' according to Westermann 1978
'Sonninia (Alaskinia) belongs to Sonninia'
'Sonninia (Alaskoceras) is replaced by Sonninia (Alaskinia)'
'Sonninia (Sonninia) belongs to Sonninia'
'Sonninia acanthodes is recombined as Sonninia (Euhoploceras) acanthodes'
'Sonniniidae belongs to Hildoceratoidea'
'Sonniniinae belongs to Sonniniidae'
'Sonninites belongs to Sonniniinae'
'Spatulites is a subjective synonym of Witchellia'
'Sphaerocoeloceras belongs to Podagrosiceratinae'
'Sphenarpites belongs to Harpoceratinae'
'Spinammatoceras belongs to Zurcheriinae'
'Spiniclaviceras is a subjective synonym of Metaderoceras'
'Spiniclaviceras spirale is recombined as Metaderoceras spirale'
'Spinicoeloceras is a subjective synonym of Nodicoeloceras'
'Staufenia belongs to Leioceratinae'
'Stenechioceras is a subjective synonym of Paltechioceras'
'Stiphromorphites is a subjective synonym of Euhoploceras'
'Stokeia is a subjective synonym of Graphoceras'
'Storthoceras is a subjective synonym of Macrogrammites'
'Strophogyria is a subjective synonym of Ludwigia'
'Sulciferites is a subjective synonym of Angulaticeras'
'Sunrisites is a subjective synonym of Franziceras'
'Sunrisites sunrisense belongs to Sunrisites' according to Guex 1980
'Sunrisites sunrisense is recombined as Franziceras sunrisense'
'Sunrisitinae is a subjective synonym of Psiloceratinae'
'Taffertia belongs to Harpoceratinae'
'Tardarpoceras is a subjective synonym of Harpoceras'
'Tauromeniceras belongs to Arieticeratinae'
'Tayloricites is a subjective synonym of Alsatites'
'Telodactylites is a subjective synonym of Porpoceras'
'Teneroceras is an objective synonym of Waehneroceras'
'Tenuidactylites is a subjective synonym of Orthodactylites'
'Tetraspidoceras belongs to Coeloceratidae'
'Tiltoniceras belongs to Harpoceratinae'
'Tipperoceras belongs to Alsatitinae'
'Tmaegoceras belongs to Arietitinae'
'Tmaegophioceras belongs to Asteroceratinae'
'Tmetoceras belongs to Tmetoceratinae'
'Tmetoceras (Tmetoites) tenui is recombined as Tmetoceras tenui'
'Tmetoceratinae belongs to Hildoceratidae'
'Tmetoites is a subjective synonym of Tmetoceras'
'Toxodactylites is a subjective synonym of Dactylioceras'
'Toxolioceras is a subjective synonym of Hyperlioceras'
'Transicoeloceras is a subjective synonym of Catacoeloceras'
'Transipsiloceras is a subjective synonym of Psiloceras'
'Trinacrioceras is a nomen nudum'
'Troitsaia belongs to Grammoceratinae'
'Tropidoceras belongs to Tropidoceratinae'
'Tropidoceratidae was reranked as the subfamily Tropidoceratinae and belongs to Polymorphitidae'
'Tubellites is a subjective synonym of Gemmellaroceras'
'Tugurites was reranked as Pseudolioceras (Tugurites) and belongs to Pseudolioceras'
'Tunisiceras is a subjective synonym of Paratropidoceras'
'Tutchericeras is a subjective synonym of Gleviceras'
'Ugdulenia is a subjective synonym of Emaciaticeras'
'Uptonia belongs to Polymorphitinae'
'Urkutites is a subjective synonym of Hildoceras'
'Vacekia is a subjective synonym of Brasilia'
'Vermiceras belongs to Arietitinae'
'Vermiceras (Paracaloceras) belongs to Vermiceras' according to Spath 1923
'Vermiceras (Paracaloceras) belongs to Vermiceras'
'Vermiceras (Vermiceras) belongs to Vermiceras' according to Hyatt 1889
'Vermiceras (Vermiceras) belongs to Vermiceras'
'Vermidactylites is a subjective synonym of Dactylioceras'
'Vicininodiceras belongs to Liparoceratidae'
'Victoriceras is a subjective synonym of Gleviceras'
'Villania belongs to Phricodoceratidae'
'Villaniinae is a subjective synonym of Phricodoceratinae'
'Vobstericeras is a subjective synonym of Paltechioceras'
'Waehneroceras belongs to Schlotheimiidae'
'Waehneroceratinae is a subjective synonym of Schlotheimiidae'
'Walkeria is replaced by Walkericeras'
'Walkericeras is a subjective synonym of Pleydellia'
'Welschia is a subjective synonym of Ludwigia'
'Westermanniceras belongs to Podagrosiceratinae'
'Whitbyiceras is a subjective synonym of Brodieia'
'Wiltshireia is a subjective synonym of Brasilia'
'Witchellia belongs to Witchelliinae'
'Witchelliinae belongs to Sonniniidae'
'Wrightia is replaced by Protogrammoceras'
'Xeinodactylites is a subjective synonym of Dactylioceras'
'Xipheroceras belongs to Eoderoceratinae'
'Xipheroceratidae is a subjective synonym of Eoderoceratidae'
'Yakounia belongs to Grammoceratinae'
'Zamaiceras belongs to Coeloceratidae'
'Zugella is a subjective synonym of Witchellia'
'Zugodactylites belongs to Dactylioceratinae'
'Zugophorites is a subjective synonym of Witchellia'
'Zurcheria belongs to Zurcheriinae'
'Zurcheriinae belongs to Hammatoceratidae'