Full reference: M. S. Mesezhnikov. 1984. Kimeridzhskiy i Volzhskiy Yarusy Severa SSSR 1-224
Type specimen: VNIGRI 3181/633, a shell. Its type locality is Lopsiya River, outcrop 41, bed 2, which is in a Kimmeridgian open shallow subtidal claystone in the Russian Federation.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 114.8
• Jurassic of the Russian Federation (4 collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.