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Temporal range: Oligocene
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Canidae
Subfamily: Hesperocyoninae
Genus: Philotrox
Merriam, 1906
P. condoni
Binomial name
Philotrox condoni
Merriam, 1906

Philotrox is an extinct monospecific genus of the Hesperocyoninae subfamily of early canids native to North America. It lived during the Oligocene, 30.8—26.3 Ma, existing for approximately 5 million years.[1] In form, it was intermediate between the small Cynodesmus and the later Enhydrocyon, the first hypercarnivorous, "bone-cracking", canid.[2]


  1. ^ Philotrox
  2. ^ Wang, Xiaoming; Tedford, Richard H. (2008). Dogs, Their Fossil Relatives and Evolutionary History. Columbia. p. 25. ISBN 978-0-231-13528-3.