''Pyrocyon'' ("fire dog") is a genus of small carnivorous hyaenodontids that lived in

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

during the early

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

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

Wyoming Wyoming () is a U.S. state, state in the Mountain states, 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 south ...

and

Colorado Colorado (, other variants) is a state in the 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 western edge of t ...

.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