
The rodent subfamily Sigmodontinae is one of the most diverse groups of mammals. It includes New World rats and mice, with at least 376 species. Many authorities include the Neotominae and Tylomyinae as part of a larger definition of Sigmodontinae. When those genera are included, the species count numbers at least 508. Their distribution includes ...
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http://en.wikipedia.org/wiki/Sigmodontinae

(from the article `grasshopper mouse`) The three living Onychomys species belong to the subfamily Sigmodontinae of the `true` mouse family, Muridae, within the order Rodentia. Today`s ...
Found on
http://www.britannica.com/eb/a-z/s/93
No exact match found.