Franziceras coronoides Guex 1980 (ammonite)

Cephalopoda - Ammonitida - Psiloceratidae

Alternative combination: Alsatitoides coronoides

Belongs to Franziceras according to L. M. Longridge et al. 2008

See also Guex 1995

Sister taxa: Franziceras graylockense, Franziceras kennecottense, Franziceras ruidum, Franziceras sunrisense

Type specimen: Its type locality is Level Z-64, Reno Draw section 1, which is in a Liasicus marine limestone in the Sunrise Formation of Nevada

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): diameter 35.1


• Jurassic of Canada (4: British Columbia collections), United States (3: Nevada)

Total: 7 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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