Full reference: R. Zangerl. 1981. Chondrichthyes I: Paleozoic Elasmobranchii. Handbook of Paleoichthyology 3a
Sister taxa: none
Type specimen: FMNH PF8522, a partial skeleton (anterior half). Its type locality is Hansen Quarry, Quarry 6, Stark Shale, Papillion, which is in a Kasimovian marine shale in the Dennis Formation of Nebraska.
Ecology: nektonic carnivore
• Carboniferous of United States (2: Nebraska collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.