| 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),[1] 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.[2]
- ^ Alroy, John, PaleoDB collection 20308, March 26, 1995, De Soto Shell Pit, Caloosahatchee Formation, DeSoto County, Florida
- ^ John Alroy, February 18, 1993. PaleoDB collection 19651.