Cephalopoda - Ceratitida - Ceratitidae
Alternative combination: Ceratites occidentalis
Synonyms: Ceratites (Gymnotoceras) spurri Smith 1914, Ceratites (Hollandites) organi Smith 1914, Ceratites altilis Smith 1914, Ceratites applanatus Smith 1914, Ceratites gilberti Smith 1914, Ceratites karpinskyi Smith 1914, Ceratites pilatus Smith 1914, Ceratites rotuloides Smith 1914, Frechites altilis Smith 1914, Frechites karpinskyi Smith 1914, Frechites organi Smith 1914, Frechites pilatus Smith 1914, Frechites rotuloides Smith 1914, Gymnotoceras spurri Smith 1914
Full reference: J. P. Smith. 1914. The Middle Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 83:1-254
Belongs to Frechites according to N. J. Silberling and K. M. Nichols 1982
See also Bychkov et al. 1976, Smith 1914 and Spath 1934
Sister taxa: Frechites bisulcatus, Frechites chischa, Frechites chischeformis, Frechites darkiensis, Frechites hamatus, Frechites kindlei, Frechites laqueatus, Frechites lenaensis, Frechites nevadanus
Type specimens:
- Frechites occidentalis: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada
- Ceratites (Gymnotoceras) spurri: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
- Ceratites (Hollandites) organi: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
- Ceratites altilis: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
- Ceratites applanatus: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
- Ceratites gilberti: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
- Ceratites karpinskyi: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
- Ceratites pilatus: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
- Ceratites rotuloides: Its type locality is Divide between Troy Canyon and South Fork of American Canyon (occidentalis), which is in an Illyrian marine limestone in Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 56.6
Distribution:
• Triassic of the Russian Federation (2 collections), Svalbard and Jan Mayen (4), United States (14: Nevada)
Total: 20 collections including 29 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.