Cephalopoda - Goniatitida

Parent taxon: Thalassoceratoidea according to W. M. Furnish et al. 2009

Sister taxon: Thalassoceratidae

Subtaxa: Bisatoceras, Neoglaphyrites, Pseudobisatoceras

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Type: Bisatoceras

Ecology: fast-moving nektonic carnivore