Cephalopoda - Ammonitida - Acrioceratidae

Parent taxon: Helicancylinae according to C. W. Wright et al. 1996

See also Sepkoski 2002

Sister taxon: Toxoceratoides

Subtaxa: none

Ecology: fast-moving nektonic carnivore

Distribution: found only at Sa 203, Sanchu area, upper Ishido Formation, Gunma (Cretaceous of Japan)

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Specimen images are retrieved through the ePANDDA API.