Cephalopoda - Ceratitida - Trachyceratidae
Full reference: J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262
Belongs to Sirenites according to T. V. Astakhova 1971
See also Astakhova 1968, Bychkov et al. 1976 and Smith 1927
Sister taxa: Sirenites betulinus, Sirenites homfrayi, Sirenites irregularis, Sirenites lawsoni, Sirenites malayicus, Sirenites nanseni, Sirenites ovinus, Sirenites senticosus, Sirenites serotinus, Sirenites smithi
Type specimen: Its type locality is Locality 8479, Skolai Pass, which is in a Julian marine horizon in Alaska
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 30.5
Distribution:
• Triassic of the Russian Federation (3 collections), Ukraine (1), United States (1: Alaska)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.