Cephalopoda - Ammonitida - Collignoniceratidae
Alternative combinations: Acanthoceras woollgari, Ammonites woollgari, Collignoniceras woolgari, Prionocyclus (Collignoniceras) woolgardi, Prionocyclus (Collignoniceras) woollgari, Prionotropis woollgari
Belongs to Collignoniceras according to W. J. Kennedy and A. S. Gale 2016
See also Amédro and Hancock 1985, Böse 1928, Cobban 1983, Futakami 1990, Glaessner 1980, Kennedy and Cobban 1988, Kennedy et al. 2001, Matsumoto 1959, Sealey and Lucas 2011, Summesberger 1992, Waldman 1965 and Wilmsen and Nagm 2014
Sister taxa: Collignoniceras bravaisianum, Collignoniceras carolinum, Collignoniceras jorgenseni, Collignoniceras klamathensis, Collignoniceras percarinatum, Collignoniceras praecox, Collignoniceras vermilionense, Prionotropis hiltensis, Prionotropis caurinus, Selwynoceras mexicanum
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 103.7
Distribution:
• Cretaceous of Australia (1 collection), Austria (1), Canada (7: Alberta, British Columbia), France (2), Germany (7), Japan (3), Mexico (3), the United Kingdom (1), United States (26: Arizona, California, Kansas, Nebraska, New Mexico, South Dakota, Texas, Wyoming)
Total: 51 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.