Cephalopoda - Ammonitida - Acanthoceratidae
Alternative combination: Mammites depressus
Full reference: J. D. Powell. 1963. Turonian (Cretaceous) ammonites from northeastern Chihuahua, Mexico. Journal of Paleontology 37(6):1217-1232
Belongs to Morrowites according to W. J. Kennedy and W. A. Cobban 1988
See also Cobban and Hook 1983 and Powell 1963
Sister taxa: Morrowites dixeyi, Morrowites mocamedensis, Morrowites subdepressus, Morrowites wingi
Type specimen: Its type locality is Cannonball Hill, which is in a Turonian marine limestone in the Ojinaga Formation of Mexico
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 50.2
Distribution:
• Cretaceous of Mexico (1 collection), United States (5: New Mexico)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.