Full reference: S. Niko, M. Ehiro, and Y. Takaizumi. 2016. Trematoceras hikichii sp. nov., an Early Triassic orthocerid cephalopod from the Osawa Formation, northeast Japan. Bulletin of the Tohoku University Museum 15:1-4
Belongs to Trematoceras according to A. Pohle and C. Klug 2024
See also Niko et al. 2016
Sister taxa: Trematoceras boreale, Trematoceras clarum, Trematoceras elegans, Trematoceras insperatum, Trematoceras lytosiphon, Trematoceras mangishlakense, Trematoceras osawaense, Trematoceras solidum, Trematoceras subcampanile, Trematoceras vulgare, Trematoceras watanabei
Type specimen: IGPS 111572, a shell. Its type locality is Cape Tatezaki, Utatsu, Minamisanriku Town, Miyagi Prefecture, which is in a Spathian marine siliciclastic in the Osawa Formation of Japan.
Ecology: fast-moving nektonic carnivore
Distribution: found only at Cape Tatezaki, Utatsu, Minamisanriku Town, Miyagi Prefecture
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.