Ptychotrygon aff. triangularis
(Reuss, 1845)
Classification: Elasmobranchii Rajiformes Ptychotrygonidae
Reference of the original description
Die Versteinerungen der böhmischen Kreideformation. Mit Abbildungen der neuen oder weniger bekannten Arten. Abtheilung 1: 58 p., pl. 1–13. Stuttgart(Schweizerbart)
Die Versteinerungen der böhmischen Kreideformation. Mit Abbildungen der neuen oder weniger bekannten Arten. Abtheilung 1: 58 p., pl. 1–13. Stuttgart(Schweizerbart)
Types
Ptychotrygon aff. triangularis
Ptychotrygon aff. triangularis
Description:
Citation: Ptychotrygon aff. triangularis (Reuss, 1845): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2026
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Remarks
shark-references Species-ID=17763
shark-references Species-ID=17763
References
Late Cretaceous elasmobranchs from the Mississippi and East Texas embayments of the Gulf Coastal Plain. Unpublished Ph.D. thesis, University of Texas at Arlington, 419 p., 106 fig.

Late Cretaceous elasmobranchs from the Mississippi and East Texas embayments of the Gulf Coastal Plain. Unpublished Ph.D. thesis, University of Texas at Arlington, 419 p., 106 fig.







