Adinotherium fossil map
Where fossils of Adinotherium have been found, shown on the Earth as it looked about 15 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 15 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 | 21–5 million years ago (Aquitanian to Zanclean) |
| Periods | Neogene |
| Family | Toxodontidae |
| Named by | Ameghino 1887 |
| Fossil records | 92 occurrences at 31 locations (PBDB) |
| Found in | Argentina, Chile, Venezuela |
| Rock formations | Santa Cruz, Ituzaingo, Galera, Chucal, Río Frías, Río Yuca |
About Adinotherium
Adinotherium (meaning "not terrible beast") is an extinct genus of toxodontid, large bodied hoofed ungulates which inhabited South America during the Middle to Late Miocene, from 17.5 to 6.8 Ma and existed for approximately 10.7 million years, Santacrucian to Huayquerian in the South American land mammal ages (SALMA). Fossils of Adinotherium have been found in the Santa Cruz and Ituzaingó Formations of Argentina and the Chucal and Río Frías Formations of Chile.
Text in “About” is quoted from the Wikipedia article Adinotherium (revision 1378638682), 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: Q504104.
