Zonovia (Xenostephanus) subquadrata Mesezhnikov 1969 (ammonite)

Cephalopoda - Ammonitida - Perisphinctidae

Alternative combination: Zonovia subquadrata

Belongs to Zonovia (Xenostephanus) according to M. S. Mesezhnikov 1984

Sister taxa: Zenostephanus ranbyensis, Zonovia (Xenostephanus) sachsi

Type specimen: VNIGRI 159/686, a shell

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 54.3

Distribution:

• Jurassic of the Russian Federation (2 collections)

Total: 2 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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