Aulacostephanus (Aulacostephanoceras) lopsiensis Mesezhnikov 1984 (ammonite)

Cephalopoda - Ammonitida - Aulacostephanidae

Full reference: M. S. Mesezhnikov. 1984. Kimeridzhskiy i Volzhskiy Yarusy Severa SSSR 1-224

Belongs to Aulacostephanus (Aulacostephanoceras) according to M. S. Mesezhnikov 1984

Sister taxa: Aulacostephanus (Aulacostephanoceras) autissiodorensis, Aulacostephanus (Aulacostephanoceras) kirghisensis, Aulacostephanus (Aulacostephanoceras) pseudolinealis, Aulacostephanus (Aulacostephanoceras) undorae, Aulacostephanus (Aulacostephanoceras) volgensis

Type specimen: VNIGRI 1337/633, a shell. Its type locality is Lopsiya River, outcrop 41, bed 7, which is in a Kimmeridgian open shallow subtidal claystone in the Russian Federation.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 78.0

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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