 The finer measurements of the species forearm length of 32.5 to 37.2 mm, the head and body combined is 28 to 49 mm, tail length is 29 to 38 millimetres.The sampled weight range of 6.0 to 8.3 g gives an average of 7.2 grams.A key to a diagnosis for the species is the proportion of the phalanx bones in the third finger, the ratio of the third to second phalanges is greater than 0.84.