PaleoDB taxon number: 151681
Full reference: R. Lund. 1989. New petalodonts (Chondrichthyes) from the Upper Mississippian Bear Gulch Limestone (Namurian E₂b) of Montana. Journal of Vertebrate Paleontology 9(3):350-368
Type specimen: MV 7697, a tooth (tooth in part and counterpart). Its type locality is MV 7106, Supercrop Quarry, Bear Gulch, which is in an Arnsbergian lagoonal/restricted shallow subtidal limestone in the Heath Formation of Montana.
Ecology: nektonic carnivore