Cephalopoda - Ammonitida - Tetragonitidae
Alternative combinations: Epigoniceras glabrum, Lytoceras glabrum
Synonym: Lytoceras (Tetragonites) jacksonense Anderson 1902
Belongs to Tetragonites according to M. R. Cooper 2003
See also Anderson 1902, Anderson 1958, Jones 1967 and Matsumoto 1959
Sister taxa: Litoceras (Tetragonites) zacatecanum, Lytoceras (Tetragonites) kingianum, Neoepigoniceras, Tetragonites (Tetragonites), Tetragonites bournensis, Tetragonites brazoensis, Tetragonites crudus, Tetragonites epigonus, Tetragonites jonesi, Tetragonites lecontei, Tetragonites madagascarensis, Tetragonites margaritatus, Tetragonites marshalli, Tetragonites nautiloides, Tetragonites obscurus, Tetragonites popetensis, Tetragonites silencioensis, Tetragonites simplex, Tetragonites subtimotheanus, Epigoniceras epigonum, Tetragonites (Carinites) spathi
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 40.3
Distribution:
• Cretaceous of Angola (2 collections), Japan (25), the Russian Federation (11), United States (14: Alaska, California, Oregon)
Total: 52 collections including 53 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.