Cephalopoda - Ceratitida - Melagathiceratidae
Synonyms: Paranannites columbianus Smith 1932, Paranannites compressus Smith 1932, Paranannites pertenuis Smith 1932
Full reference: A. Hyatt and J. P. Smith. 1905. The Triassic cephalopod genera of America. United States Geological Survey Professional Paper 40:1-394
Belongs to Paranannites according to E. T. Tozer 1994
See also Hyatt and Smith 1905, Kummel and Steele 1962, Nichols and Silberling 1979 and Spath 1934
Sister taxa: Paranannites baudi, Paranannites dubius, Paranannites involutus, Paranannites mulleri, Paranannites oviformis, Paranannites sinensis, Paranannites slossi, Paranannites subangulosus
Type specimens:
- Paranannites aspenensis: Its type locality is Wood Canyon, Aspen Range, which is in a Smithian carbonate limestone in the Thaynes Formation of Idaho
- Paranannites columbianus:
- Paranannites compressus:
- Paranannites pertenuis:
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 18.8
Distribution:
• Triassic of Afghanistan (2 collections), Canada (3: British Columbia), China (10), United States (14: Alaska, Idaho, Nevada)
Total: 29 collections including 35 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.