Ptychotrygon slaughteri
Cappetta & Case, 1975
Classification: Elasmobranchii Rajiformes Ptychotrygonidae
Reference of the original description
Sélaciens nouveaux du Crétacé du Texas. Geobios, 8(4), 303–307
Sélaciens nouveaux du Crétacé du Texas. Geobios, 8(4), 303–307
Synonyms / new combinations and misspellings
Ptychotrygon cf. slaughteri, Ptychotrygon mcnultii
Ptychotrygon cf. slaughteri, Ptychotrygon mcnultii
Types
Ptychotrygon slaughteri
Ptychotrygon slaughteri
Description:
Citation: Ptychotrygon slaughteri Cappetta & Case, 1975: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 01/2026
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Remarks
shark-references Species-ID=5418;
shark-references Species-ID=5418;
References
A new marine vertebrate assemblage from the Upper Cretaceous Dakota Formation in Nebraska, USA, and its paleoecology and taphonomy. Cretaceous Research, 169, Article 106084
DOI: 10.1016/j.cretres.2025.106084
The first southern hemisphere occurrence of the extinct Cretaceous sclerorhynchoid sawfish Ptychotrygon (Chondrichthyes, Batoidea), with a review of Ptychotrygon taxonomy. Journal of Vertebrate Paleontology, 42(2), Article e2162411
DOI: 10.1080/02724634.2022.2162411
Vertebrate Paleontology and Stratigraphy of the Late Cretaceous Holmdel Park Site, Monmouth County, New Jersey. Dakoterra, 6: 163–169
Los dientes de seláceos del Cretácico de la depresión central asturiana. Thèse Doct., Univ. d'Oviedo(non publiée): 1–476, 110 fig., 1–79 pl.
Additions aux faunes de sélaciens du Crétacé du Texas (Albien supérieur-Campanien). Palaeo Ichthyologica, 9, 5–111
The collector's guide to fossil sharks and rays from the Cretaceous of Texas. Before Time, Lewisville, 1993
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 Unpublished Ph.D. thesis, University of Texas at Arlington, 419 p., 106 fig.

A new marine vertebrate assemblage from the Upper Cretaceous Dakota Formation in Nebraska, USA, and its paleoecology and taphonomy. Cretaceous Research, 169, Article 106084
DOI: 10.1016/j.cretres.2025.106084
The first southern hemisphere occurrence of the extinct Cretaceous sclerorhynchoid sawfish Ptychotrygon (Chondrichthyes, Batoidea), with a review of Ptychotrygon taxonomy. Journal of Vertebrate Paleontology, 42(2), Article e2162411
DOI: 10.1080/02724634.2022.2162411

Vertebrate Paleontology and Stratigraphy of the Late Cretaceous Holmdel Park Site, Monmouth County, New Jersey. Dakoterra, 6: 163–169

Los dientes de seláceos del Cretácico de la depresión central asturiana. Thèse Doct., Univ. d'Oviedo(non publiée): 1–476, 110 fig., 1–79 pl.

Additions aux faunes de sélaciens du Crétacé du Texas (Albien supérieur-Campanien). Palaeo Ichthyologica, 9, 5–111

The collector's guide to fossil sharks and rays from the Cretaceous of Texas. Before Time, Lewisville, 1993


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.








