''Tritemnodon'' ("three cutting teeth") was a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of hyaeanodontids that lived 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'', " ...

.Naoko Eg (2004.
"A new genus and species of hyaenodontid creodont from the Pondaung Formation (Eocene, Myanmar)"
''Journal of Vertebrate Paleontology'' 24(2): 502–506 Fossils of ''Tritemnodon agilis'' have been found in

Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...

and

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 ...

(Willwood Formation of Big Horn County and the Lower Bridger Formation of Uinta County), and it was the size of a

wolf The wolf (''Canis lupus''; : wolves), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America. More than thirty subspecies of ''Canis lupus'' have been recognized, and gray wolves, as popularly u ...

Phylogeny

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

References

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