The molecular dating performed on the data of Lack et al . (2010) on the mitochondrial and nuclear DNA has a date of onset of this family back to about 34 million years . According to this same study, the origin of the Cistugidae precede the actual next of kin, the Vespertilionidae which would have arisen there 27 million years . Door to this new family 20 the number of families of bats, 6 in the suborder Yinpterochiroptera and 14 in the suborder Yangochiroptera .
Mlango wa familia hii mpya 20 idadi ya familia ya popo, 6 katika suborder Yinpterochiroptera na 14 katika suborder Yangochiroptera.