Cephalopoda - Orthoceratoidea

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

Sister taxa: Dissidocerida, Offleyoceratidae, Orthocerida, Paraphragmitidae, Sactorthoceratidae, Slemmestadoceras

Subtaxa: Brachycycloceras

View classification

Ecology: fast-moving nektonic carnivore