Sister taxa: none
Type specimen: SMM P72.34.20, a partial skull. Its type locality is Wannagan Creek Quarry, which is in a Tiffanian mire/swamp shale in the Bullion Creek (Tongue River) Formation of North Dakota.
Ecology: aquatic carnivore
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.