After Carroll, 1988, and Lund, 1989, with species from Williams, 1999-2000
<==o †Pristodontidae Woodward, 1889 |-- †Calopodus apicalis (St. John & Worthen, 1875) [Cranodus] Penn. NA. |--o †Megactenopetalus [Megactenopectalodus] L.-M. Perm. NA. M.-U. Perm. EAs. U. Perm. WAs. | |-- †M. anblyxiphias (Cope, 1891) | `-- †M. kaibabanus David, 1944 |-- †Mesolophodus problematicus (Woodward, 1889) Miss. Eu. |-- †Peripristis semicircularis (Newberry & Worthen, 1866) [†Ctenoptychius semicircularis] Miss. Perm. NA. |-- †Petalodopsis tripartitis (Davis, 1883) |--o †Petalorhynchus [Petalodus] Miss. NA. Eu. EEu. U. Perm. Ind. | |-- †P. benniecana | |-- †P. psittacinus (M'Coy, 1855a) [Petalodus] | `-- †P. bearculchensis Lund, 1989 |--o †Pristodus [Diodontopsodus, Hoplodus, Petalorhynchus, Pristicladodus] Miss. Eu. | |-- †P. facaltus Davis, 1883 | `-- †P. sp. `-- Siksika ottae Lund, 1989
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Carroll, R. L., 1988: Appendix. 594-648
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698 - Frickhinger, K. A., 1995: Fossil Atlas – Fishes.
–Mergus – Publishers for Natural History and Pet Books, Hans A. Baensch, Malle, Germany, 1-1088 - Long, J. A., 1995: The Rise of Fishes: 500 million years of evolution.
–Johns Hopkins University Press, Baltimore & London, pp. 1-223 - Lund, R., 1989: New petalodonts (Chondrichthyes) from the Upper Missisippian Bear Gulch Limestone (Namurian E2b) of Montana.
–Journal of Vertebrate Paleontology: Vol. 9, #3, pp. 350-368 - Nelson, J. S., 1994: Fishes of the world.
–John Wiley & Sons Inc., New York, 1994, xx-600 - Ossian, C. R., 1976: Redescription of Megactenopetalus kaibabanus David 1944 (Chondrichthyes: Petalodontidae) with Comments on Its Geographic and Stratigraphic Distribution.
–Journal of Paleontology: Vol. 50, #3, pp. 392-397 [doi: 10.2307/1303519] - Williams, G. S., 1999-2000: A Listing of Fossil Sharks and Rays of the World.
–iNet: Gainesville's Creek Fossils: Euselachii: http://www.afn.org/~afn02877/eusel.html