Janassa gurleyana
(Cope, 1877)
Classification: Euchondrocephali Petalodontiformes Janassidae
Reference of the original description
Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States. Proceedings of the American Philosophical Society, 17, 182–193
Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States. Proceedings of the American Philosophical Society, 17, 182–193
Types
Janassa gurleyana
Janassa gurleyana
Description:
Citation: Janassa gurleyana (Cope, 1877): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025
Remarks
shark-references Species-ID=17677
shark-references Species-ID=17677
References
Contributions from Walker Museum. I: The vertebrates from the Permian bone bed of Vermilion County, Illinois. The Journal of Geology, 8(8), 698–729
Contributions from Walker Museum. I: The vertebrates from the Permian bone bed of Vermilion County, Illinois. The Journal of Geology, 8(8), 698–729
