Peltodus unguiformis

Newberry & Worthen, 1870

Classification: Euchondrocephali Petalodontiformes Janassidae

Reference of the original description

Newberry, J.S. & Worthen, A.H. (1870)
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374

Types
Peltodus unguiformis

Description:

Citation: Peltodus unguiformis Newberry & Worthen, 1870: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025

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Remarks
shark-references Species-ID=9699;

References

Hay, O.P. (1902)
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868

Newberry, J.S. & Worthen, A.H. (1870)
Geology and Palaeontology. Descriptions of fossil vertebrates. Geological Survey of Illinois, 4, 343–374