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Temporal range: middle Eocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Mammalia
Order: Carnivoramorpha
Family: Miacidae
Genus: Palaearctonyx
Matthew, 1909
Species: P. meadi
Binomial name
Palaearctonyx meadi
Matthew, 1909

Palaearctonyx is an extinct genus of omnivorous Miacidae which inhabited North America during the Eocene living from 50.3—46.2 Ma and existed for approximately 4.1 million years. [1]


Palaearctonyx was named by Matthew (1909). Its type is Palaearctonyx meadi. It was assigned to Caniformia by Flynn and Galiano (1982); and to Miacidae by Matthew (1909) and Flynn (1998).[2][3]


  1. ^ Paleobiology Database: Palaearctonyx Basic info.
  2. ^ J. J. Flynn and H. Galiano. 1982. Phylogeny of early Tertiary Carnivora, with a description of a new species of Protictis from the middle Eocene of northwestern Wyoming. American Museum Novitates 2725:1-640
  3. ^ W. D. Matthew. 1909. The Carnivora and Insectivora of the Bridger Basin, middle Eocene. Memoirs of the American Museum of Natural History 9:289-567
  • Flynn, J.J., 1998. Early Cenozoic Carnivora ("Miacoidea"). pp.110-123 in C.M. Janis, K.M. Scott, and L.L. Jacobs (eds.) Evolution of Tertiary Mammals of North America. Volume 1: Terrestrial Carnivores, Ungulates, and Ungulatelike Mammals. Cambridge University Press, Cambridge. ISBN 0-521-35519-2