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

References

  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.


Allikas: https://en.wikipedia.org/wiki/Ptyktoptychion
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