 Genetic analysis suggests that it is probably most closely related to a group of Neotropical "Myotis" species that includes "Myotis nigricans", "Myotis levis", and "Myotis oxyotus", or alternatively to "Myotis dominicensis" alone.The silver-tipped myotis is a small bat, with a total length of , and a tail long.The fur is long and silky, with individual hairs being black or dark brown for most of their length, but white at the tips.