Cephalopoda - Ammonoidea - Hyattoceratidae

PaleoDB taxon number: 13694

Full reference: B. F. Glenister and W. M. Furnish. 1987. New Permian representatives of ammonoid superfamilies Marathonitaceae and Cyclolobaceae. Journal of Paleontology 61:982-998

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

Sister taxa: Hyattoceras, Leeites

Subtaxa: Eohyattoceras gerthi

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Type: Eohyattoceras gerthi

Ecology: fast-moving nektonic carnivore