phylogenetically


phy·lo·ge·net·ic

P0275250 (fī′lō-jə-nĕt′ĭk)adj. Of or relating to phylogeny or phylogenetics: phylogenetic relationships among the reptiles.
phy′lo·ge·net′i·cal·ly adv.
Thesaurus
Adv.1.phylogenetically - with regard to phylogeny; "a phylogenetically primitive part of the brain"