Longirostromeryx fossil map
Where fossils of Longirostromeryx 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 | 23.04–4.7 million years ago (Aquitanian to Zanclean) |
| Periods | Neogene |
| Family | Moschidae |
| Named by | Frick 1937 |
| Fossil records | 72 occurrences at 21 locations (PBDB) |
| Found in | United States |
| Rock formations | Ash Hollow, txn:42640, Valentine, Snake Creek, Tesuque, Fleming |
About Longirostromeryx
Longirostromeryx is an extinct genus of musk deer that belonged to the subfamily Blastomerycinae. It lived in central North America from the Miocene to the late Pliocene epochs. This genus contains three, perhaps four, recognized species: L. clarendoniensis, L. novomexicanus, L. wellsi and ?L. blicki.
It lived in closed environments such as bushlands where it was likely both a selective browser and grazing species. This is suggested by its unique skeletal and dental morphology (see description).
Text in “About” is quoted from the Wikipedia article Longirostromeryx (revision 1357178811), 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: Q6673987.
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