Janassa unguiformis

Eastman, 1903

Classification: Euchondrocephali Petalodontiformes Janassidae

Types
Janassa unguiformis

Description:

Citation: Janassa unguiformis Eastman, 1903: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024

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Remarks
shark-references Species-ID=9171;

References

Ginter, M. & Hampe, O. & Duffin, C.J. (2010)
Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.

Branson, E.B. (1916)
The Lower Embar of Wyoming and Its Fauna. Journal of Geology, 24(7), 639–664