Trigonictis fossil map
Where fossils of Trigonictis have been found, shown on the Earth as it looked about 5 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 5 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Early mammals |
|---|---|
| Lived | 9.4–0.21 million years ago (Tortonian to Chibanian) |
| Periods | Neogene, Quaternary |
| Family | Mustelidae |
| Named by | Hibbard 1941 |
| Fossil records | 124 occurrences at 21 locations (PBDB) |
| Found in | United States |
| Rock formations | Glenns Ferry, txn:41086, Palm Spring, Ringold, Gila Conglomerate, Tamiami |
About Trigonictis
Trigonictis is an extinct genus of mustelid related to the living grison. It lived in North America 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.
Two species are known; Trigonictis macrodon and Trigonictis cookii.
Text in “About” is quoted from the Wikipedia article Trigonictis (revision 1185127942), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q19758225.
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