Xotodon fossil map
Where fossils of Xotodon 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 | 11.63–0.0117 million years ago (Tortonian to Late Pleistocene) |
| Periods | Neogene, Quaternary |
| Family | Toxodontidae |
| Named by | Ameghino 1887 |
| Fossil records | 42 occurrences at 18 locations (PBDB) |
| Found in | Argentina |
| Rock formations | Monte Hermoso, txn:43390, Ituzaingo, Chiquimil, Andalhuala, Chapadmalal |
About Xotodon
Xotodon is an extinct genus of toxodontid mammal that lived during the Late Miocene (Huayquerian in the SALMA classification) in Argentina, South America. Fossils of Xotodon have been found in the Ituzaingó, Maimará and Chiquimil Formations of Argentina.
Text in “About” is quoted from the Wikipedia article Xotodon (revision 1368638516), 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: Q8044955.