Cephalopoda - Ammonitida - Tetragonitidae
Full reference: Y. Shigeta, T. Sakai, and H. Fujita. 2023. A new species of Tanabeceras (Ammonoidea, Tetragonitidae) from the middle Cenomanian (Upper Cretaceous) of Hokkaido, Japan. Paleontological Journal 28:279-290
Belongs to Tanabeceras according to Y. Shigeta et al. 2023
Sister taxa: Tanabeceras drushtchici, Tanabeceras horokanaiense, Tanabeceras michelianum, Tanabeceras mikasaense, Tanabeceras pombetsense, Tanabeceras yezoense
Type specimen: NMNS PM 45384, a shell. Its type locality is First tributary, right bank of Shibunnai-touge-no-sawa River, which is in a Cenomanian marine mudstone in the Sakugawa Formation of Japan.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 18.9
Distribution:
• Cretaceous of Japan (4 collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.