Cratogeomys fossil map
Where fossils of Cratogeomys 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 →
| Group | Early mammals |
|---|---|
| Lived | 4.7 million years ago to the present (Zanclean to Holocene) |
| Periods | Neogene, Quaternary |
| Family | Geomyidae |
| Named by | Merriam 1895 |
| Fossil records | 44 occurrences at 11 locations (PBDB) |
| Found in | United States, Mexico |
| Rock formations | txn:41651, St. David, Love, Gila Conglomerate, Tacubaya |
About Cratogeomys
Cratogeomys is a genus of rodent in the family Geomyidae. It was previously considered a subgenus of Pappogeomys. All species are distributed in Mexico and the Southwest United States, with some species being found in both countries.
It contains the following seven species:
Yellow-faced pocket gopher (Cratogeomys castanops)
Oriental Basin pocket gopher (Cratogeomys fulvescens)
Smoky pocket gopher (Cratogeomys fumosus)
Goldman's pocket gopher (Cratogeomys goldmani)
Merriam's pocket gopher (Cratogeomys merriami)
Perote pocket gopher (Cratogeomys perotensis)
Volcan de Toluca pocket gopher (Cratogeomys planiceps)
Text in “About” is quoted from the Wikipedia article Cratogeomys (revision 1369606770), 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: Q869542.
