Sparnotheriodon fossil map
Where fossils of Sparnotheriodon have been found, shown on the Earth as it looked about 45 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 45 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 | 48.07–41.03 million years ago (Lutetian) |
| Periods | Paleogene |
| Family | Sparnotheriodontidae |
| Named by | Soria 1980 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | Argentina |
| Rock formations | Sarmiento |
About Sparnotheriodon
Sparnotheriodon is an extinct genus of sparnotheriodontid litoptern that lived during the Middle Eocene of what is now Argentina, leaving fossils in the Sarmiento Formation.
Text in “About” is quoted from the Wikipedia article Sparnotheriodon (revision 1250170760), 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: Q113681958.