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ABSTRACT
The murine rodent genus Microhydromys Tate and Archbold, 1941, includes the smallest of the native rodents of New Guinea and is the rarest Australo-Papuan rodent genus preserved in world museums. We discuss the morphological characteristics of Microhydromys and diagnose two species in the genus: M. richardsoni Tate and Archbold, 1941, distributed over northern New Guinea. and M. argenteus, n. sp., recorded from three localities in southern New Guinea. The only other species previously classified in the genus-Microhydromys musseri Flannery, 1989-is reallocated to the genus Pseudohydromys Rummler, 1934. The little available information relating to their biology indicates the species of Microhydromys to be terrestrial inhabitants of foothill and lower montane forest formations and probably naturally rare in those environments.
DOI
10.1206/632.1
CITATION
Helgen, Kristofer M., Leary, Tanya and Aplin, Kenneth P. 2010. A Review of Microhydromys (Rodentia: Murinae), with Description of a New Species from Southern New Guinea. American Museum Novitates, 3676: 1-22. doi:10.1206/632.1
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