phylogenetically

from WordNet (r) 3.0 (2006)

phylogenetically
    adv 1: with regard to phylogeny; "a phylogenetically primitive
           part of the brain"

from The Collaborative International Dictionary of English v.0.48

Phylogenetic \Phy*lo*ge*net"ic\, a.
   Relating to phylogenesis, or the evolutionary history of a
   type of organism. -- {Phy*lo*ge*net"ic*al*ly}, adv.
   [1913 Webster]