Cephalopoda - Ammonitida - Arietitidae

Alternative combination: Ammonites montii

Belongs to Hypasteroceras according to F. Macchioni et al. 2006

Sister taxon: Hypasteroceras planulatum

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): diameter 110.9

Distribution: found only at GSC C-117232, Olistolith of Castle Pass (Jurassic of British Columbia)

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Specimen images are retrieved through the ePANDDA API.