Ptychodus cf. martini
Williston, 1900
Classification: Elasmobranchii incert. sedis Ptychodontidae
Reference of the original description
Some fish teeth from the Kansas Cretaceous. Kansas University Quarterly, 9(1): 27–42, pl. 6–14.
Some fish teeth from the Kansas Cretaceous. Kansas University Quarterly, 9(1): 27–42, pl. 6–14.
Types
Ptychodus cf. martini
Ptychodus cf. martini
Description:
Citation: Ptychodus cf. martini Williston, 1900: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 07/2026
Remarks
shark-references Species-ID=14272;
shark-references Species-ID=14272;
References
Evidence for endothermy from tooth enamel(oid) oxygen isotopes in marine predators of the Late Cretaceous Western Interior Seaway, USA. Palaeogeography Palaeoclimatology Palaeoecology, 687, Article 113578
DOI: 10.1016/j.palaeo.2026.113578
A new shark of the family Ptychodontidae from South America. University of California Publications in Geological Sciences, 28(8), 195–202
Evidence for endothermy from tooth enamel(oid) oxygen isotopes in marine predators of the Late Cretaceous Western Interior Seaway, USA. Palaeogeography Palaeoclimatology Palaeoecology, 687, Article 113578
DOI: 10.1016/j.palaeo.2026.113578
A new shark of the family Ptychodontidae from South America. University of California Publications in Geological Sciences, 28(8), 195–202
