macrohaplogroup

noun1

1. •
   A major haplogroup, especially one that is the head of a phylogeny

   • These are Fr2 in Haplogroup A1 of macrohaplogroup M [9 ], San2 in Haplogroup L1 [1 ], a Neandertal [56 ], and a Denisovan [57 ]. — 2015