Juramaia fossil map
Where fossils of Juramaia have been found, shown on the Earth as it looked about 160 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 160 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 | 168.2–152.21 million years ago (Bathonian to Kimmeridgian) |
| Periods | Jurassic |
| Named by | Luo et al. 2011 |
| Fossil records | 2 occurrences at 2 locations (PBDB) |
| Found in | China |
| Rock formations | Tiaojishan |
About Juramaia
Juramaia is an extinct genus of a therian mammal, possibly a very basal eutherian mammal, known from the Late Jurassic (Oxfordian stage) or Early Cretaceous deposits of western Liaoning, China. It is a small shrew-like mammal weighing around 15–17 grams (0.53–0.60 oz).
Text in “About” is quoted from the Wikipedia article Juramaia (revision 1381230033), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 22 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q16894713.
