Phlaocyon achoros was named by Frailey 1979. Its type locality is Buda Mine, which is in a Harrisonian sinkhole horizon in Florida. It was recombined as Phlaocyon achoros by Wang, Tedford & Taylor 1999 and Hayes 2000.
Martin, L.D. 1989. Fossil history of the terrestrial carnivora. Pages 536 - 568 in J.L. Gittleman, editor. Carnivore Behavior, Ecology, and Evolution, Vol. 1. Comstock Publishing Associates: Ithaca.
Wang, X.; Tedford, R. H.; Taylor, B. E. (1999). "Phylogenetic systematics of the Borophaginae (Carnivora, Canidae)". Bulletin of the AMNH. 243. hdl:2246/1588.