Cephalopoda - Bisonocerida - Piloceratidae
Parent taxon: Piloceratidae according to D.H. Evans 2011
See also Crick 1981, Kröger and Landing 2009, Sepkoski 2002, Teichert et al. 1964 and Ulrich et al. 1943
Sister taxa: Allopiloceras, Augeoceras, Dartonoceras, Expandocassinoceras, Liaotungoceras, Penhsioceras, Piloceras, Subpenhsioceras, Utoceras
Subtaxa: Cassinoceras amplum Cassinoceras magister Cassinoceras triton Cassinoceras wortheni
Type: Cassinoceras arkansasense
Ecology: fast-moving nektonic carnivore
Distribution:
• Ordovician of Canada (10: Newfoundland, Newfoundland and Labrador, Quebec collections), Norway (1), Svalbard and Jan Mayen (1), the United Kingdom (4), United States (4: New York, Vermont, Virginia)
• Canadian of Canada (1: Quebec)
Total: 21 collections including 24 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.