Ptychotrygon rugosa

(Case, Schwimmer, Borodin & Leggett, 2001)

Classification: Elasmobranchii Rajiformes Ptychotrygonidae

Reference of the original description

Case, G.R. & Schwimmer, D.R. & Borodin, P.D. & Leggett, J.J. (2001)
A new selachian fauna from the Eutaw Formation (Upper Cretaceous/Early to Middle Santonian) of Chattahoochee County, Georgia. Palaeontographica, Abt. A, 261(4–6), 83–102

Types
Ptychotrygon rugosa

Description:

Citation: Ptychotrygon rugosa (Case, Schwimmer, Borodin & Leggett, 2001): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024

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Remarks
shark-references Species-ID=5417;

References

Guinot, G. & Condamine, F.L. (2023)
Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080