Grogan, E. D.; Lund, R.; Fath, M. (2014). A new petalodont chondrichthyan from the Bear Gulch Limestone of Montana, USA, with reassessment of Netsepoye hawesi and comments on the morphology of holomorphic petalodonts. Paleontological Journal. 48(9): 1003-1014.
A new petalodont chondrichthyan from the Bear Gulch Limestone of Montana, USA, with reassessment of Netsepoye hawesi and comments on the morphology of holomorphic petalodonts