Hapalomys fossil map
Where fossils of Hapalomys have been found, shown on the Earth as it looked about 0 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 0 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 | 2.58–0.0117 million years ago (Gelasian to Late Pleistocene) |
| Periods | Quaternary |
| Family | Muridae |
| Named by | Blyth 1859 |
| Fossil records | 10 occurrences at 4 locations (PBDB) |
| Found in | China |
| Rock formations | txn:41892 |
About Hapalomys
Hapalomys is a genus of rodent in the family Muridae endemic to Southeast Asia. It is the only member of the tribe Hapalomyini.
It contains the following species:
Delacour's marmoset rat (Hapalomys delacouri)
Marmoset rat (Hapalomys longicaudatus)
Suntsov's marmoset rat (Hapalomys suntsovi), a Vietnamese endemic recently described from Binh Phuoc Province, southern Vietnam
†Hapalomys gracilis (fossil species)
Text in “About” is quoted from the Wikipedia article Hapalomys (revision 1271008121), 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: Q728112.