The microbats constitute the now outdated suborder Microchiroptera within the order Chiroptera (bats). Bats were once differentiated into Megachiroptera and Microchiroptera, based on their size; but available molecular evidence has now shown this to be incorrect, the horseshoe bats being included in Yinpterochiroptera with the fruit bats and others. Most species which were termed Microchiroptera are now referred to as the Yangochiroptera.