Ptyktoptychion
Extinct genus of cartilaginous fishes
Ptyktoptychion Temporal range: Early Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Holocephali |
Order: | Chimaeriformes |
Family: | Callorhinchidae |
Genus: | †Ptyktoptychion Lees, 1986 |
Species | |
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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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