🦕 Prehistoric World Map

Basirepomys fossil map

Where fossils of Basirepomys have been found, shown on the Earth as it looked about 5 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 5 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
Lived12.5–4.7 million years ago (Serravallian to Zanclean)
PeriodsNeogene
FamilyCricetidae
Named byKorth and De Blieux 2010
Fossil records10 occurrences at 5 locations (PBDB)
Found inUnited States
Rock formationsMcKay, txn:41724, Kern River, Sevier, Chalk Hills

About Basirepomys

Basirepomys is an extinct genus of Cricetidae that existed in the United States during the Late Miocene period. It contains the species B. pliocenicus and B. robertsi.

Text in “About” is quoted from the Wikipedia article Basirepomys (revision 1239325270), 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: Q4867556.

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