Ptychodus cf. polygyrus

Agassiz, 1835


Classification: Elasmobranchii incert. sedis Ptychodontidae

Reference of the original description
Agassiz, L. (1835)
Rapport sur les poissons fossiles découverts depuis la publication de la troisième livraison. In Feuilleton additionel sur les Recherches sur les poissons fossiles. Quatrième livraison(Janvier 1835). Imprimerie de Petitpierre et Prince(text), Neuchatel, pp. 39- 64

Types
Ptychodus cf. polygyrus



Description:


Citation: Ptychodus cf. polygyrus Agassiz, 1835: 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=16545;

References
Amadori, M. & Kovalchuk, O. & Barkaszi, Z. & Giusberti, L. & Kindlimann, R. & Kriwet, J. (2023)
A diverse assemblage of Ptychodus species (Elasmobranchii: Ptychodontidae) from the Upper Cretaceous of Ukraine, with comments on possible diversification drivers during the Cenomanian, Cretaceous Research, 151, Article 105659
DOI: 10.1016/j.cretres.2023.105659