Cephalopoda - Ceratitida - Choristoceratidae
Full reference: E. T. Tozer. 1979. Latest Triassic ammonoid faunas and biochronology, western Canada. Current Research, Part B. Geological Survey of Canada Paper 79-1B:127-135
Belongs to Choristoceras according to E. T. Tozer 1979
Sister taxa: Choristoceras ammonitiforme, Choristoceras annulatum, Choristoceras klamathense, Choristoceras marshi, Choristoceras minutus, Choristoceras nobile, Choristoceras nyalamense, Choristoceras rhaeticum, Choristoceras robustum, Choristoceras shoshonensis, Choristoceras tortiliforme
Type specimen: GSC 18912. Its type locality is GSC 56395, Tyaughton Creek, which is in a Rhaetian marine sandstone/conglomerate in Canada.
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 23.3
Distribution:
• Triassic of Canada (3: British Columbia collections), United States (2: Nevada)
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.