Myotis simus Thomas, 1901 . Ann. Mag. Nat. Hist., ser. 7, 7: 541.
TYPE LOCALITY: Peru, Loreto, Sarayacu (Ucayali River) .
DISTRIBUTION: Colombia; Ecuador; Peru; N. Brazil; Bolivia; Paraguay.
COMMENT: Revised by LaVal, 1973, Bull. Los Ang. Cty. Mus. Nat. Hist. Sci. Soc., 15.
ISIS NUMBER: 5301405014014059001.