Cephalopoda - Ceratitida - Melagathiceratidae
Alternative combination: Prosphingites slossi
Full reference: B. Kummel and G. Steele. 1962. Ammonites from the Meekoceras graciliatus zone at Crittenden Spring, Elk County, Nevada. Journal of Paleontology 36(4):638-703
Belongs to Paranannites according to J. F. Jenks et al. 2010
See also Kummel and Steele 1962 and Nichols and Silberling 1979
Sister taxa: Paranannites aspenensis, Paranannites baudi, Paranannites dubius, Paranannites involutus, Paranannites mulleri, Paranannites oviformis, Paranannites sinensis, Paranannites subangulosus
Type specimen: MCZ 5614
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 20.0
Distribution:
• Triassic of Afghanistan (1 collection), United States (8: Alaska, Nevada)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.