Riccardiceras longalvum Vacek 1886

Cephalopoda - Ammonitida - Stephanoceratidae

Alternative combinations: Coeloceras longalvum, Docidoceras (Docidoceras) longalvum, Docidoceras longalvum

Belongs to Riccardiceras according to V. Dietze et al. 2017

See also Sandoval et al. 2000 and Westermann 1969

Sister taxa: Riccardiceras limatum, Riccardiceras perfectum, Riccardiceras telegdirothi

Average measurements (in mm): shell diameter 140.0

Distribution:

• Jurassic of Canada (2: Yukon collections), Italy (5), Thailand (1), United States (1: Alaska)

Total: 9 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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