Cephalopoda - Ceratitida - Arctoceratidae
Full reference: J. F. Jenks. 2007. Smithian (Early Triassic) ammonoid biostratigraphy at Crittenden Springs, Elko County, Nevada and a new ammonoid from the Meekoceras gracilitatis zone. New Mexico Museum of Natural History and Science Bulletin 40:81-90
Belongs to Churkites according to A. Brayard et al. 2013
See also Jenks 2007
Sister taxa: Churkites egregius, Churkites subungunensis, Churkites syaskoi, Churkites ungunensis, Churkites warei
Type specimen: NMMNH P-55141. Its type locality is Crittenden Springs, Thaynes Formation, Elko County, Nevada, which is in a Smithian deep subtidal limestone in the Thaynes Formation of Nevada.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 147.7
Distribution:
• Triassic of United States (11: Nevada, Utah collections)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.