In Depth
With fossils being recovered from both Oregon and Florida, Pliocyon seems to have a distribution that covered most of the United States.
Further Reading
– Contributions to the Snake Creek Fauna with notes upon the Pleistocene of western Nebraska, American Museum Expedition of 1916. – Bulletin of the American Museum of Natural History 38(7):183-229. – W. D. Matthew – 1918. – A Miocene amphicyonid (Mammalia: Carnivora) from the Bone Valley Formation of Florida. – Journal of Vertebrate Paleontology 4(1):122-125 – A. Berta & H. Galiano – 1984.