Cephalopoda - Ammonitida - Acanthoceratidae
Alternative combination: Spathites (Spathites) rioensis
Full reference: J. D. Powell. 1963. Turonian (Cretaceous) ammonites from northeastern Chihuahua, Mexico. Journal of Paleontology 37(6):1217-1232
Belongs to Spathites according to W. A. Cobban 1988
See also Kennedy and Cobban 1988 and Powell 1963
Sister taxa: Spathites (Ingridella), Spathites (Jeanrogericeras), Spathites (Spathites), Spathites coahuilaensis, Spathites puercoensis
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 89.1
Distribution:
• Cretaceous of Mexico (1 collection), United States (14: New Mexico, Texas)
Total: 15 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.