🦕 Prehistoric World Map

Thrichomys fossil map

Where fossils of Thrichomys 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 →

Thrichomys
Image: Nortondefeis, CC BY-SA 4.0, via Wikimedia Commons
GroupEarly mammals
Lived2.58 million years ago to the present (Gelasian to Holocene)
PeriodsQuaternary
FamilyEchimyidae
Named byTrouessart 1881
Fossil records30 occurrences at 14 locations (PBDB)
Found inBrazil
Rock formationstxn:42051

About Thrichomys

Thrichomys is a genus of South American rodents in the family Echimyidae. It contains at least five species, found in Bolivia, Brazil and Paraguay. They are as follows:

Thrichomys apereoides - Common punaré

Thrichomys fosteri - Foster's punaré

Thrichomys inermis - Highlands punaré

Thrichomys laurentius - Sao Lourenço punaré

Thrichomys pachyurus - Paraguayan punaré

Text in “About” is quoted from the Wikipedia article Thrichomys (revision 1368450171), 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: Q846023.

More early mammals