Nothrotheriops fossil map
Where fossils of Nothrotheriops 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 | 1.4 million years ago to the present (Calabrian to Holocene) |
| Periods | Quaternary |
| Family | Nothrotheriidae |
| Named by | Hoffstetter 1954 |
| Fossil records | 20 occurrences at 8 locations (PBDB) |
| Found in | United States, Argentina, Uruguay |
| Rock formations | txn:134630, Ocotillo, Cache |
About Nothrotheriops
Nothrotheriops is an extinct genus of ground sloths endemic to North America during the Pleistocene to early Holocene (~2.5 Mya until 10,000 years ago). The genus contains two species, N. shastensis and N. texanus, the former of which is also known as the Shasta ground sloth.
Text in “About” is quoted from the Wikipedia article Nothrotheriops (revision 1378613373), 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: Q1088778.