Ptychodus cf. anonymus

Williston, 1900

Classification: Elasmobranchii incert. sedis Ptychodontidae

Reference of the original description

Williston, S.W. (1900)
Some fish teeth from the Kansas Cretaceous. Kansas University Quarterly, 9(1): 27–42, pl. 6–14.

Types
Ptychodus cf. anonymus

Description:

Citation: Ptychodus cf. anonymus Williston, 1900: 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=5345;

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

Shimada, K. & Martin, D.J. (2008)
Fossil fishes from the basal Greenhorn Limestone (Upper Cretaceous: late Cenomanian) in Russell County, Kansas. Fort Hays Studies, (Special Issue 2), 89–103

Shimada, K. & Schumacher, B.A. & Parkin, J.A. & Palermo, J.M. (2006)
Fossil marine vertebrates from the lowermost Greenhorn Limestone (Upper Cretaceous: Middle Cenomanian) in southeastern Colorado. Journal of Paleontology, 80(sp63), 1–45
DOI: 10.1666/0022-3360(2006)80[1:FMVFTL]2.0.CO;2

Parkin, J.A. & Palermo, J.M. & Shimada, K. & Schumacher, B.A. (2002)
Fossil fishes from the lowermost Greenhorn Limestone (Upper Cretaceous: Middle Cenomanian) in southeastern Colorado [Abstract]. Geological Society of America Abstracts with Programs