Thrincoceras subquadratum Shimanskiy 1990 (nautiloid)

Cephalopoda - Nautilida - Trigonoceratidae

Full reference: V. N. Shimanskiy. 1990. Verkhnepaleozoyskiye nautiloida severnykh rayonov SSSR. Byulleten Moskovskogo Obshchestva Ispytatelei Prirody, Otdel Geologicheskiy 65:60-74

Belongs to Thrincoceras according to V. N. Shimanskiy 1990

Sister taxa: Thrincoceras depressum, Thrincoceras devolvere, Thrincoceras hibernicum, Thrincoceras hyatti, Thrincoceras kentuckiense

Type specimen: PIN 1626/293. Its type locality is Lena River, 3 km below mouth of Sobol River, which is in an Artinskian marine siliciclastic in the Echii Formation of the Russian Federation.

Ecology: nektobenthic carnivore

Average measurements (in mm): shell diameter 123.0

Distribution:

• Permian of the Russian Federation (3 collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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