Cephalopoda - Ammonitida - Cardioceratidae

Alternative combination: Arctocephalites platynotus

Belongs to Arctocephalites (Cranocephalites) according to R. W. Imlay 1962

Sister taxa: Arctocephalites (Cranocephalites) costidensus, Arctocephalites (Cranocephalites) gracilis, Arctocephalites (Cranocephalites) maculatus, Arctocephalites (Cranocephalites) pompeckji, Arctocephalites (Cranocephalites) sawtoothensis

Ecology: fast-moving nektonic carnivore

Distribution: found only at USGS Mesozoic loc. 19601, Sun River area, Western Montana (Jurassic of Montana)

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Specimen images are retrieved through the ePANDDA API.