Cephalopoda - Ammonitida - Collignoniceratidae
Alternative combination: Ammonites bravaisianus
Synonyms: Prionotropis bakeri Anderson 1902, Prionotropis teshioensis Yabe and Shimizu 1925, Schloenbachia bakeri Anderson 1902
Belongs to Collignoniceras according to M. Futakami 1990
See also Anderson 1958, Matsumoto 1959 and Wright 1979
Sister taxa: Collignoniceras carolinum, Collignoniceras jorgenseni, Collignoniceras klamathensis, Collignoniceras percarinatum, Collignoniceras praecox, Collignoniceras vermilionense, Collignoniceras woollgari, Selwynoceras mexicanum, Prionotropis hiltensis, Prionotropis caurinus
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Japan (2 collections), United States (6: California, Oregon)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.