Trigonictis is an extinct genus of mustelid related to the living grison. It lived in North America during the Pliocene to Pleistocene.[1] Fossil specimens have been found across the United States, from Washington and Oregon in the northwest to California and Florida in the south.[2]

Trigonictis
Temporal range: Pliocene– Early Pleistocene
Trigonictis fossils (top row)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Mustelidae
Subfamily: Ictonychinae
Genus: Trigonictis
Cope, 1868
Type species
Trigonictis macrodon
Other Species

T. cookii

Two species are known; Trigonictis macrodon and Trigonictis cookii.

References

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