Cephalopoda - Ammonitida - Tetragonitidae

Full reference: Y. Shigeta, M. Futakami, and R. Hoffmann. 2012. Two new ammonoid genera of the subfamily Gabbioceratinae from the Upper Albian (Lower Cretaceous) of Hokkaido, Japan. Paleontological Research 16:208-218

Belongs to Tanabeceras according to Y. Shigeta et al. 2012

Sister taxa: Tanabeceras drushtchici, Tanabeceras horokanaiense, Tanabeceras michelianum, Tanabeceras mikasaense, Tanabeceras nakagawaense, Tanabeceras yezoense

Type specimen: MCM.M0184, a shell (shell). Its type locality is Pn1032F, Pombetsu River, Mikasa area, which is in an Albian marine mudstone in the Hikagenosawa Formation of Japan.

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 20.0

Distribution: found only at Pn1032F, Pombetsu River, Mikasa area

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Specimen images are retrieved through the ePANDDA API.