Pictures and facts about the Old Puerto Rican spiny rats

Even-toed ungulates	Carnivores	Cetaceans	Bats	Dasyuroids	Opossums	Sirenia	Primates	Xenarthra

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Animals / Mammals / Rodentia (1987) / Hystricognathi (228) / Echimyidae (78) / Heteropsomyinae (7) / Puertoricomys (1)

Genus Puertoricomys
contains 1 species

Corozal rat

Subfamily Heteropsomyinae contains 4 genera

Boromys (2 species)

Brotomys (2 species)

Heteropsomys (2 species)

Puertoricomys (1 species)

Echimyidae
contains 5 subfamilies

Chaetomyinae (1 species)

Dactylomyinae (6 species)

Echimyinae (20 species)

Eumysopinae (44 species)

Heteropsomyinae (7 species)

Hystricognathi contains 18 families

Bathyergidae (12 species)

Hystricidae (11 species)

Petromuridae (1 species)

Thryonomyidae (2 species)

Erethizontidae (12 species)

Chinchillidae (6 species)

Dinomyidae (1 species)

Caviidae (14 species)

Hydrochaeridae (1 species)

Dasyproctidae (13 species)

Agoutidae (2 species)

Ctenomyidae (38 species)

Octodontidae (9 species)

Abrocomidae (2 species)

Echimyidae (78 species)

Capromyidae (20 species)

Heptaxodontidae (5 species)

Myocastoridae (1 species)

Order Rodentia
contains 2 suborders

Sciurognathi (1759 species)

Hystricognathi (228 species)

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