Cephalopoda - Ammonitida - Collignoniceratidae
Belongs to Prionocyclus according to P. L. Sealey and S. G. Lucas 2019
See also Kennedy et al. 2001, Sealey et al. 2006 and Sealey and Lucas 2011
Sister taxa: Prionocyclus albinus, Prionocyclus bosquensis, Prionocyclus branneri, Prionocyclus californicus, Prionocyclus germari, Prionocyclus hyatti, Prionocyclus novimexicanus, Prionocyclus pluricostatus, Prionocyclus quadratus, Prionocyclus wyomingensis
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 36.8
Distribution:
• Cretaceous of Canada (1: British Columbia collection), United States (14: New Mexico, South Dakota, Texas)
Total: 15 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.