Asterostemma fossil map
Where fossils of Asterostemma 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 | 17.5–7.246 million years ago (Burdigalian to Tortonian) |
| Periods | Neogene |
| Family | Propalaehoplophoridae |
| Named by | Ameghino 1889 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | Brazil, Argentina |
| Rock formations | Solimoes, Santa Cruz |
About Asterostemma
Asterostemma is an extinct genus of glyptodont. It lived during the Middle Miocene, and its fossilized remains were discovered in South America.
Text in “About” is quoted from the Wikipedia article Asterostemma depressa (revision 1361930659), 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: Q20717091.