A 2006 review of Chondrichthyes elevated Megaselachus to genus .
A 2006 review of Chondrichthyes classified the sharks as Megaselachus megalodon and M. chubutensis .
A 2006 review of Chondrichthyes elevated Megaselachus to genus , and classified the sharks as Megaselachus megalodon and M. chubutensis .