''Trigonictis'' is an extinct genus of mustelid related to the living
grison
A grison , , also known as a South American wolverine, is any mustelid in the genus ''Galictis''. Native to Central and South America, the genus contains two extant species: the greater grison (''Galictis vittata''), which is found widely in Sou ...
. It 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
Pliocene to
Pleistocene. Fossil specimens have been found across the United States, from
Washington and
Oregon in the northwest to
California and
Florida in the south.
[ John Alroy, February 18, 1993. PaleoDB collection 19651.]
Two species are known; ''
Trigonictis macrodon
''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. (Appearance Event Ordination, AEO), existing for ...
'' and ''Trigonictis cookii''.
References
Prehistoric mustelids
Prehistoric mammals of North America
Pliocene mammals of North America
Pleistocene mammals of North America
Pleistocene extinctions
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