ammonites
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Frechites darkiensis Arkadiev and Vavilov 1989 (ceratite)

Cephalopoda - Ammonoidea - Beyrichitidae

PaleoDB taxon number: 190881

Full reference: V. V. Arkadiev and M. N. Vavilov. 1989. Anisian-Ladinian Boundary in Boreal Region Based on Ammonoidea. Palaeontographica Abteilung A 207:49-78

Belongs to Frechites according to V. V. Arkadiev and M. N. Vavilov 1989

Sister taxa: Frechites bisulcatus, Frechites chischa, Frechites chischeformis, Frechites hamatus, Frechites kindlei, Frechites laqueatus, Frechites lenaensis, Frechites nevadanus, Frechites occidentalis

Type specimen: Museum of Leningrad Mining Institute N 39/321. Its type locality is Darky River, nevadanus zone, Kharaulakh Range, which is in an Illyrian marine siliciclastic in the Russian Federation.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 16.1, shell diameter 51.2