Cephalopoda - Ammonitida - Tetragonitidae
Synonyms: Lytoceras (Tetragonites) henleyense Anderson 1958, Lytoceras (Tetragonites) kernense Anderson 1958, Tetragonites (Saghalinites) henleyense Anderson 1958
Belongs to Tetragonites according to Y. Shigeta 2016
See also Anderson 1958, Matsumoto 1959 and Matsumoto 1960
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 silencioensis, Tetragonites simplex, Tetragonites subtimotheanus, Tetragonites (Carinites) spathi, Epigoniceras epigonum
Type specimens:
- Tetragonites popetensis: UNUT MM7460, a shell
- Lytoceras (Tetragonites) henleyense: CAS 444.02, a shell. Its type locality is CAS Loc. 444 - Hornbrook, which is in a Campanian coastal siliciclastic in California.
- Lytoceras (Tetragonites) kernense: Its type locality is CAS Loc. 1552 - Cholame [Asuncion Gp], which is in a Campanian/Maastrichtian marine siliciclastic in California.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 38.3
Distribution:
• Cretaceous of Japan (4 collections), the Russian Federation (2), United States (8: California)
Total: 14 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.