Cephalopoda - Tarphycerida

Parent taxon: Tarphyceratida according to J. J. Sepkoski 2002

Sister taxa: Bateroboceras, Bentoceras, Bodieceras, Craftonoceras, Discoceratidae, Estonioceratidae, Inclytoceras, Kinaschukoceras, Kosovoceras, Magdoceras, Ophidoceratidae, Pakrioceras, Paradiscoceras, Plectolites, Pseudancistroceras, Tarphyceratidae, Trocholitidae, Weberoceras

Subtaxa: none

Ecology: fast-moving nektobenthic carnivore