Heteroptychodus aff. steinmanni

Yabe & Obata, 1930

Classification: Elasmobranchii Hybodontiformes Ptychodontidae

Reference of the original description

Yabe, H. & Obata, T. (1930)
On some fossil fishes from the Cretaceous of Japan. Japanese Journal of Geology and Geography, 3, 1–7

Types
Heteroptychodus aff. steinmanni

Description:

Citation: Heteroptychodus aff. steinmanni Yabe & Obata, 1930: 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=2830;

References

Cappetta, H. & Buffetaut, E. & Cuny, G. & Suteethorn, V. (2006)
A new elasmobranch assemblage from the Lower Cretaceous of Thailand. Palaeontology, 49(3), 547–555
DOI: 10.1111/j.1475-4983.2006.00555.x