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Tanabeceras horokanaiense Shigeta 2013 (ammonite)

Cephalopoda - Ammonitida - Gaudryceratidae

PaleoDB taxon number: 331587

Full reference: Y. Shigeta. 2013. A new species of Tanabeceras (Ammonoidea, Gaudryceratidae) from the lowest Cenomanian of Hokkaido, Japan. Paleontological Research 17:312-316

Belongs to Tanabeceras according to Y. Shigeta 2013

Sister taxa: none

Type specimen: TKD 30051, a shell. Its type locality is Locality 81005, Suribachi-zawa, which is in a Cenomanian marine mudstone in Japan.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 14.9, shell diameter 18.7