Trigonictis macrodon
| Trigonictis macrodon Temporal range: | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Family: | Mustelidae |
| Genus: | †Trigonictis |
| Species: | †T. macrodon |
| Binomial name | |
| †Trigonictis macrodon Cope, 1868 | |
Trigonictis macrodon is an extinct species of mammal related to the living grison (genus Galictis). It lived in North America during the Pliocene to Pleistocene epochs, from ~4.1–1.6 Ma. (AEO), existing for approximately 2.5 million years. Fossil specimens have been found across the United States, from Washington and Oregon in the northwest to California and Florida in the south.