†Zonovia (Xenostephanus) subquadrata Mesezhnikov 1969 (ammonite)
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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
Specimen images are retrieved through the ePANDDA API.
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