ammonites
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Robinsonites caucasius Shevyrev 1995 (ceratite)

Cephalopoda - Ammonoidea - Balatonitidae

PaleoDB taxon number: 172657

Full reference: A. A. Shevyrev. 1995. Triassic ammonoids of the northwest Caucasus. Rossiyskaya Akademiya Nauk, Trudy Paleontologicheskogo Instituta 264:1-174

Belongs to Robinsonites according to A. A. Shevyrev 1995

Sister taxa: none

Type specimen: PIN 1477/541. Its type locality is Tkhach River, left source, Laboceras-Megaphyllites beds, which is in a Bithynian marine carbonate in the Acheshbok Formation of the Russian Federation.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 8.10, shell diameter 28.0