Philotrox

Philotrox; Temporal range: Oligocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Family:	Canidae
Subfamily:	†Hesperocyoninae
Genus:	†Philotrox; Merriam, 1906
Species:	†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]

References

http://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=41234 Philotrox
Wang, Xiaoming; Tedford, Richard H. (2008). Dogs, Their Fossil Relatives and Evolutionary History. Columbia. p. 25. ISBN 978-0-231-13528-3.

Wang, X. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora, Canidae). Bulletin of the American Museum of Natural History, 221:1-207.

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[1] ttp://fossilworks.org/bridge.pl?a=taxonInfo&taxon_no=41234 Philotrox

[Wang2008-2] Wang, Xiaoming; Tedford, Richard H. (2008). Dogs, Their Fossil Relatives and Evolutionary History. Columbia. p. 25. ISBN 978-0-231-13528-3.