Lontra fossil map
Where fossils of Lontra have been found, shown on the Earth as it looked about 0 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 0 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 million years ago to the present (Tortonian to Holocene) |
| Periods | Neogene, Quaternary |
| Family | Mustelidae |
| Named by | Gray 1843 |
| Fossil records | 88 occurrences at 41 locations (PBDB) |
| Found in | United States, Canada, Brazil, Mexico, Peru, Panama, Argentina, Uruguay |
| Rock formations | txn:41086, Bermont, Glenns Ferry, Palm Spring, Chapala, American Falls Lake Bed E |
About Lontra
Lontra is a genus of otters from the Americas.
Text in “About” is quoted from the Wikipedia article Lontra (revision 1348197424), 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: Q1777275.