Squalomorphii The neoselachian superorder Squalomorphii, including the hexanchoid, squaloid, squatinoid, pristiophoroid, and batoid sharks. 棘鲛首目新鲨的首目棘鲛首目,包括六鳃鲛、棘鲛、琵琶鲛、锯鲛与鳐鲛。
They seem to have come from some very primitive mammal near the base of Laurasiatheria that also gave rise to one or more of the other groups in the superorder.
For a long time, bats were thought to be part of the superorder Archonta -- the group that includes treeshrews, colugos, and primates, because those are the mammals they look the most like.