Chelemys macronyx (Thomas, 1894) . Ann. Mag. Nat. Hist., ser. 6, 14:362.

TYPE LOCALITY: Argentina, Mendoza Prov., Fort San Rafael .

DISTRIBUTION: E and W flanks of S Andes along Chile-Argentina boundary, about 34°S latitude south to Straits of Magellan. C Chilean distribution augmented by Pine et al. (1979).

SYNONYMS: alleni, connectens, fumosus, vestitus .

COMMENTS: Treated as a subspecies of C. megalonyx by Mann (1978) and Tamayo and Frassinetti (1980); recognized as species by Osgood (1943) and Pearson (1984). Osgood (1943) designated the skin of Notiomys connectens as the holotype of this composite specimen and synonymized it with [C.] macronyx vestitus .