Full reference: W. A. Cobban. 1987. Some Middle Cenomanian (Upper Cretaceous) acanthoceratid ammonites from the Western Interior of the United States. United States Geological Survey Professional Paper 1445:1-28
Sister taxa: none
Type specimen: USNM 388189
Ecology: fast-moving nektonic carnivore
Distribution: found only at USGS Loc. D12626 (Cretaceous of Texas)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.