Mammalia, Rodentia, Sigmodontinae, <i>Abrothrix lanosus</i> (Thomas, 1897): Topotype, distribution, and new locality records for Chile.

Abstract

Abrothrix lanosus, distributed throughout southern South America, is one of the least known Patagoniansigmodontine rodents. So far, neither a topotype from the type locality, the Madre de Dios Archipelago (Chile), neitherspecimens from adjacent areas have been collected. In this contribution, seven new recording localities and a topotype aregiven. The measurements of gross morphological features, including the cranium of the first topotype collected and otherseven individuals are reported. Moreover, the findings establish new northern (48°11’ S, 74°25’ W) and western (49°25’ S,75°27’ W) distribution limits in Chile for the species.