PaleoDB taxon number: 13013
Parent taxon: Oncoceratida according to J. J. Sepkoski 2002
Sister taxa: Acleistoceratidae, Agrioceras, Aktjubocheilus, Alloceras, Almaloceras, Anonymoceras, Anthomorpha, Antonoceras, Aphyctoceras, Apioceras, Archiacoceratidae, Atomoceras, Balashovia, Brevicoceratidae, Calchasiceras, Corbuloceras, Corysoceras, Diestoceratidae, Doleroceras, Eocyrtoceras, Eudoceras, Gomphoceras, Graciloceratidae, Guangyuanoceras, Guangyuanoceroides, Gyroceras, Hemiphragmoceratidae, Hiregiroceras, Iowoceras, Irinites, Jovellaniidae, Kallholnoceras, Karoceratidae, Kijoceras, Kophinoceras, Leonardoceras, Lychnoceras, Megaloceras, Meloceras, Mimolychnoceras, Mnemoceras, Nelimenia, Neoceras, Nothoceratidae, Oligoceras, Oncoceratidae, Oonoceratidae, Oratoceras, Pachtoceras, Polyelasmoceratidae, Poterioceratidae, Pseudobrevicoceras, Pyramidoceras, Ramussenoceras, Rhomboceras, Rutoceratoidea, Spanioceras, Sycoceras, Talattoceras, Torquatoceras, Trigonodema, Trimeroceratidae, Tripleuroceratidae, Tshingizoceras, Valcouroceratidae, Wetherbyoceras, Xainzanoceras
Subtaxa: none
Ecology: fast-moving nektobenthic carnivore