User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-6005381-20130203132053/@comment-4502434-20130204215902

It could be an offshoot of the Rath family, one that maintains its primitive origins. However, if that was true, wouldnt there be an ancient Rathalos as well. Genetics could explain it, if it were a very special specific genome, passed only to females.