Coscaites crassus Guex et al. 2005 (ammonite)

Cephalopoda - Phylloceratida - Ussuritidae

Full reference: J. Guex, A. Hungerbühler, J. Jenks, D. Taylor, and H. Bucher. 2005. Dix-huit nouveaux genres d’ammonites du Spathien (Trias inférieur) de l’ouest américain (Idaho, Nevada, Utah et Californie) : Note préliminaire. Bulletin de Géologie Lausanne 362:1-32

Belongs to Coscaites according to A. Brayard et al. 2019

See also Guex et al. 2005, Guex et al. 2010 and Jenks et al. 2013

Sister taxa: none

Type specimen: NMMNH P-62983. Its type locality is JJ6-75, Hot Springs Ridge (JJ-HSDE), Bear Lake, which is in a Spathian deep-water shale in the Thaynes Formation of Idaho.

Ecology: nektonic carnivore

Average measurements (in mm): shell diameter 91.8

Distribution:

• Triassic of United States (4: Idaho collections)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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