Ptychodus decurrens depressus

Dixon, 1850


Classification: Elasmobranchii incert. sedis Ptychodontidae

Types
Ptychodus decurrens depressus



Description:


Citation: Ptychodus decurrens depressus Dixon, 1850: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 12/2024

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Remarks
shark-references Species-ID=10764;

References
Dibley, G.E. (1911)
On the teeth of Ptychodus and their distribution in the English Chalk. Quarterly Journal of the Geological Society of London, 67, 263–277
DOI: 10.1144/GSL.JGS.1911.067.01-04.10