🦕 Prehistoric World Map

Ninamys fossil map

Where fossils of Ninamys have been found, shown on the Earth as it looked about 30 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 30 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 →

GroupEarly mammals
Lived33.9–23.04 million years ago (Rupelian to Chattian)
PeriodsPaleogene
FamilyAplodontiidae
Named byVianey-Liaud et al. 2013
Fossil records60 occurrences at 15 locations (PBDB)
Found inMongolia, United States, China
Rock formationsHsanda Gol, Brule, Sage Creek, Ulantatal, Loh

About Ninamys

Ninamys was an extinct genus of rodents in the family Aplodontiidae that lived in China during the Oligocene.

Text in “About” is quoted from the Wikipedia article Ninamys (revision 1278802273), 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: Q56289906.

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