C0380800 (klə-dĭs′tĭks)n.(used with a sing. verb) A system of classification based on the presumed phylogenetic relationships and evolutionary history of groups of organisms.cla·dis′tic, cla·dis′ti·cal adj.cla·dis′ti·cal·ly adv.
cladistically
(kləˈdɪstɪkəlɪ) advfrom a cladistic point of viewEncyclopediaSeecladistics