Cephalopoda - Tarphycerida

Parent taxon: Tarphyceratida according to C. Teichert et al. 1964

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

Subtaxa: Ophioceras

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Type: Ophioceras

Ecology: fast-moving nektobenthic carnivore