†Collignoniceras woollgari regulare Haas 1946 (ammonite)
Cephalopoda - Ammonitida - Collignoniceratidae
Alternative combination: Prionotropis woollgari regulare
Belongs to Collignoniceras woollgari according to P. L. Sealey and S. G. Lucas 2019
Sister taxa: none
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (5: New Mexico, South Dakota, Wyoming collections)
Total: 5 collections each including a single occurrence