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Rudolftruempyiceras planorbis Dagis and Ermakova 1988 (ceratite)

Cephalopoda - Ammonoidea - Columbitidae

PaleoDB taxon number: 181570

Alternative combination: Boreoceras planorbis

Full reference: A. S. Dagis and S. P. Ermakova. 1988. Boreal'nye Pozdneolenekskie Ammonoidei. Trudy Instituta Geologii i Geofiziki 714:1-135

Belongs to Rudolftruempyiceras according to J. Guex and K. Bylund 2010

Sister taxa: Rudolftruempyiceras apostolicum, Rudolftruempyiceras demokidovi

Type specimen: IGiG 766/21. Its type locality is Nuuchcha-Yurege Creek, euomphala zone, Olenek arm, Lena River delta, which is in a Spathian marine siliciclastic in the Russian Federation.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 7.59, shell diameter 35.9