Ptyktoptychion

Ptyktoptychion; Temporal range: Early Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Holocephali
Order:	Chimaeriformes
Family:	Callorhinchidae
Genus:	† Ptyktoptychion ; Lees, 1986
Species
	Ptyktoptychion tayyoLees, 1986; Ptyktoptychion wadeaeBartholomai, 2008;

Last updated August 17, 2025

Ptyktoptychion is an extinct genus of chimaeras known from the Early Cretaceous of Australia.^[1]

References

↑ Lees, Tempe A. (1986). "A new chimaeroid Ptyktoptychion tayyogen. Et sp. Nov. (Pisces:Holocephali) from the marine Cretaceous of Queensland". Alcheringa: An Australasian Journal of Palaeontology. 10 (3): 187–193. doi:10.1080/03115518608619154.

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[1] Lees, Tempe A. (1986). "A new chimaeroid Ptyktoptychion tayyogen. Et sp. Nov. (Pisces:Holocephali) from the marine Cretaceous of Queensland". Alcheringa: An Australasian Journal of Palaeontology. 10 (3): 187–193. doi:10.1080/03115518608619154.

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