''Pyrocyon'' ("fire dog") is a genus of small carnivorous hyaenodontids that lived in North America during the early

Eocene The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...

. Fossils of ''Pyrocyon'' have been found in

Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the sou ...

and

Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...

.Paleobiology Database: Pyrocyon
/ref> Weight of ''Pyrocyon dioctetus'' has been estimated at around 2.6 kilograms.

Phylogeny

The phylogenetic relationships of genus ''Pyrocyon'' are shown in the following cladogram.

References

Hyaenodonts Eocene mammals Eocene mammals of North America Eocene genus first appearances Prehistoric placental genera {{paleo-mammal-stub