Thrichomys apereoides Thrichomys fosteri Thrichomys inermis Thrichomys laurentius Thrichomys pachyurus Thrichomys is a genus of South American rodents in the family Echimyidae.

[1] It contains at least five species, found in Bolivia, Brazil and Paraguay.

[2][3] They are as follows: The closest relatives of the genus Thrichomys are two clades consisting of pairs of Myocastorini genera: Callistomys (the painted tree-rat) and Myocastor (the coypu or nutria) in one clade, and Hoplomys (the armored rat) and Proechimys in the other.

Thrichomys (punaré) Callistomys (painted tree-rat) Myocastor (nutria) Hoplomys (armored rat) Proechimys

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