Cephalopoda - Ammonitida - Tetragonitidae
Full reference: C. Ifrim, W. Stinnesbeck, and J. F. Ventura. 2013. An endemic cephalopod assemblage from the Lower Campanian (Late Cretaceous) Parras Shale, western Coahuila, Mexico. Journal of Paleontology 87:881-901
Belongs to Tetragonites according to C. Ifrim et al. 2013
Sister taxa: Litoceras (Tetragonites) zacatecanum, Lytoceras (Tetragonites) kingianum, Neoepigoniceras, Tetragonites (Tetragonites), Tetragonites bournensis, Tetragonites brazoensis, Tetragonites crudus, Tetragonites epigonus, Tetragonites glabrus, Tetragonites jonesi, Tetragonites lecontei, Tetragonites madagascarensis, Tetragonites margaritatus, Tetragonites marshalli, Tetragonites nautiloides, Tetragonites obscurus, Tetragonites popetensis, Tetragonites pusillus, Tetragonites simplex, Tetragonites subtimotheanus, Epigoniceras epigonum, Tetragonites (Carinites) spathi
Type specimen: CPC-793, a shell. Its type locality is Union y Progreso, which is in a Campanian prodelta shale in the Parras Formation of Mexico.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 20.8
Distribution: found only at Union y Progreso
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.