PaleoDB taxon number: 15331
Parent taxon: Ammonoidea according to J. J. Sepkoski 2002
Sister taxa: Abichia, Acuticostites, Agoniatitida, Aleteceratidae, Almohadites, Ammonitida, Ampthillia, Anacleoniceras, Anavirgatites, Anclyoceras, Andersonites, Andesites, Ankobites, Apsorroceras, Aptychus, Argentiniceras, Asapholytoceras, Aspidostephanus, Aspinoceras, Astiericeras, Astieridiscus, Aulasimoceras, Balticeras, Benacoceras, Berbericeras, Berrosiceras, Betyokites, Beudantiella, Bihenduloceras, Billcobbanoceras, Binatisphinctes, Binneyites, Biplices, Blanforidceras, Bochianitoidea, Borealites, Bostrychoceras, Bunburyiceras, Californiceras, Calliptychoceras, Carstenia, Caspianites, Ceratitida, Ceratitina, Chetaites, Chigaroceras, Christophoceras, Cicatrites, Clambites, Cloioceras, Clymeniida, Coloradoscaphites, Constileioceras, Cordubiceras, Cottreauites, Couloniceras, Cowtoniceras, Craspedodiscus, Crassiplanulites, Cruasiceras, Crussoliceras, Cutchisphinctes, Cuyaniceras, Damesiceras, Desmoscaphites, Desmosphinctes, Dickersonia, Diodochoceras, Diplasioceras, Dipoloceratidae, Dirrymoceras, Discosphinctoides, Divisosphinctes, Djurjuriceras, Eboroceras, Egrabensiceras, Endemoceras, Eocephalites, Eodesmoceras, Eohecticoceras, Eoheteroceras, Eosphinctoceras, Epancyloceras, Epaspidoceras, Epicephalites, Epiglyptoxoceras, Epigonites, Epimayites, Erdenella, Espaniceras, Eubranoceras, Euhyphantoceras, Farbesiceras, Fikaites, Flabellisphinctes, Flexispinites, Forbescieras, Fournierella, Frenguelliceras, Galbanites, Garnierisphinctes, Gazdaganites, Georgioceras, Gephyroceras, Gerhardtia, Glabrophysodoceras, Glaucolithites, Glottoptychinites, Glyptoceras, Gomimonomeroceras, Goniatites crebriseptum, Goniatitida, Gymnoplites, Hannaites, Haploscaphites, Haresiceras, Hectioceras, Heinzia, Himispiticeras, Holcostephanus, Homolsomites, Hoplikosmokas, Ilowaiskya, Indosphinctes, Involuticeras, Isterites, Janenschites, Jeanneticeras, Jeanthieuolyites, Jimenites, Kachpurites, Karamaiceras, Karamaites, Karaschiceras, Kashpurites, Katrolites, Kerberites, Klematosphinctes, Kurnubiella, Langdaiceras, Lenticeratidae, Limaites, Liosphinctes, Lissonia, Lithancylus, Lomonossovella, Lupherites, Lytoceratida, Lytocerida, Lytocrioceras, Lytogyroceras, Mancosiceras, Manoloviceras, Mathoceratites, Medlicottiida, Megasphaeroceras, Megatyloceras, Metagravesia, Metahamites, Metahoplites, Metapatoceras, Michalskia, Moutoniceras, Nannostephanus, Neobibolites, Neoepigoniceras, Neoglytoxoceras, Neomantelliceras, Neomorphoceras, Neopuzosia, Neoselwynoceras, Neotollia, Neoturrilites, Neposiella, Neuqueniceras, Nipponites, Nodiocoeloceras, Nodosohoplites, Nothostephanus, Notoceras, Odoghertyceras, Odontoceras, Odontodiscoceras, Organoceras, Orthaspidoceras, Osperlioceras, Padagrosites, Padragosiceras, Palnerostephanus, Paltaopites, Paraberriasella, Parabevalites, Paradicidia, Paranclyoceras, Paraspiticeras, Parastieria, Paravirgatites, Pascoeites, Paskentites, Petrolytoceras, Phlyseogrammocera, Phylloceratida, Phylloceratitida, Phyllocerida, Physeogrammoceras, Platylenticeras, Plesiacanthoides, Plesiohamites, Plictetia, Poculisphinctes, Poecilomorphus, Pomerania, Praeglyphiocerida, Praemanambolites, Praetollia, Procraspedites, Progalbanites, Progeronia, Prohelicoceras, Prolecanitida, Promantelliceras, Propectinatites, Properisphinctes, Proplanulites, Proplanulitidae, Prososphinctoides, Protanclyoceras, Protancyloceratoidea, Protothurmannia, Proturrilitoides, Pseudacompsoceras, Pseudarisphinctes, Pseudinvoluticeras, Pseudoaganides, Pseudoclambites, Pseudoclydoniceras, Pseudofavrella, Pseudokatroliceras, Pseudoleymeriella, Pseudoperisphinctes, Pseudoplacenticeras, Pseudosimoceras, Pseudovirgatites, Pseudowaagenia, Psiloceratida, Psilohamites, Pteroscaphites, Ptychoceratoidea, Pulchellia, Puzosigella, Raimondiceras, Rhampidoceras, Riasanites, Rossalites, Ryugasella, Saltericeras, Sarmatisphinctes, Scaphamites, Shastoceras, Simaspidoceras, Simosphinctes, Simotoichites, Sohlites, Somaliceras, Somalites, Sornayceras, Speetoniceras, Subbarroisiceras, Subnebrodites, Subneumayria, Suboosterella, Subptychoceras, Subthurmannia, Subtissotia, Sulcohoplites, Telodactylus, Thraxites, Titanites, Tobolia, Tolvericeras, Tolypeceras, Tongoboroceras, Tonoceras, Tornoceras edwinhalli, Tornocerida, Toulisphinctes, Tovebirkelundites, Triagolytoceras, Triozites, Trochleiceras, Trolliceras, Tropitoidea, Tropitoides, Turrilitoides, Tyrannites, Uhligia, Umiates, Veveysiceras, Virgataxioceras, Virgatospinctoides, Weavericeras, Wellsia, Wheatleyites, Wichmanniceras, Yokoyamaceras, Zaraiskites, Zealandites, Zurcherella
Subtaxa: none
Ecology: fast-moving nektonic carnivore