Marmosops noctivagus (Tschudi, 1845) . Fauna Peruana, 1:148.

TYPE LOCALITY: "Der mittleren und tiefen Waldregion;" restricted by Tate (1933) to Perù, Junin, Montana de Vitoc, near Chanchamayo, Rio Perené drainage .

DISTRIBUTION: Amazonian Brazil, Ecuador, Perù, and Bolivia.

SYNONYMS: collega Thomas, 1920; keaysi J. A. Allen, 1900; leucastra Thomas, 1927; lugenda Thomas, 1927; neglecta Osgood, 1915; polita Cabrera, 1913; purui Miller, 1913; stollei Miranda-Ribeiro, 1936.