A NEW SPECIES OF THOMASOMYS (MURIDAE: SIGMODONTINAE) FROM THE ANDES OF SOUTHEASTERN PERU
Open Access
- 1 August 2002
- journal article
- Published by Oxford University Press (OUP) in Journal of Mammalogy
- Vol. 83 (3) , 834-842
- https://doi.org/10.1644/1545-1542(2002)083<0834:ansotm>2.0.co;2
Abstract
We describe a new species of Thomasomys from the Vilcabamba Cordillera, Cuzco, Peru. This thomasomyine is a medium-sized, small-eared, and long-tailed rodent similar in external and cranial features to Thomasomys silvestris, a species from the western Andean slopes of Ecuador. The new species presents a unique combination of characters that includes the absence of genal vibrissae, absence of a “gap” between the hypothenar and thenar pads, short incisive foramina, and a primitive pattern of carotid circulation. The proposed new species is known only from the type locality, suggesting that its restricted distribution could be attributed to the existence of a relict fauna in the area.Keywords
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