Full reference: T. Matsumoto. 1984. Part I. Ammonites from the Upper Campanian of the Teshio Mountains. Palaeontological Society of Japan Special Papers 27:5-32
Type specimen: GK. H95971, a shell. Its type locality is Loc. T5011 - Uttsu [Yezo Gp], which is in a Campanian marine sandstone in Japan.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 55.7
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.