Cephalopoda - Ammonitida - Collignoniceratidae
Alternative combinations: Ammonites percarinatus, Prionotropis percarinatus, Subprionocyclus percarinatus
Full reference: J. Hall and F. B. Meek. 1855. Descriptions of New Species of Fossils, from the Cretaceous Formations of Nebraska, with Observations upon Baculites ovatus and B. compressus, and the Progressive Development of the Septa in Baculites, Ammonites, and Scaphites. Memoirs of the American Academy of Arts and Sciences 5(2):379-411
Belongs to Collignoniceras according to W. J. Kennedy et al. 2001
See also Cobban 1983 and Futakami 1990
Sister taxa: Collignoniceras bravaisianum, Collignoniceras carolinum, Collignoniceras jorgenseni, Collignoniceras klamathensis, Collignoniceras praecox, Collignoniceras vermilionense, Collignoniceras woollgari, Selwynoceras mexicanum, Prionotropis hiltensis, Prionotropis caurinus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of United States (5: Minnesota, Nebraska, South Dakota collections)
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.