Cephalopoda - Phylloceratida - Nordophiceratidae
Full reference: J. Guex, A. Hungerbühler, J. F. Jenks, L. O'Dogherty, V. Atudorei, D. G. Taylor, H. Bucher and A. Bartolini. 2010. Spathian (Lower Triassic) ammonoids from western USA (Idaho, California, Utah and Nevada). Mémoires de Géologie (Lausanne) 49:1-82
Belongs to Nordophiceratoides according to M. Ehiro et al. 2016
See also Guex et al. 2010 and Jenks et al. 2013
Sister taxa: Nordophiceratoides adriani, Nordophiceratoides catherinae, Nordophiceratoides gracilis, Nordophiceratoides praecox
Type specimen: JGX-25. Its type locality is Hot Springs JGX-HS6, Bear Lake, which is in a Spathian deep-water shale in the Thaynes Formation of Idaho.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 71.7
Distribution:
• Triassic of Japan (1 collection), United States (2: Idaho)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.