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.