Definition of phylogenetically in US English:

phylogenetically

adverb

Biology
  • In a way that relates to the evolutionary development and diversification of a species or group of organisms.

    ‘phylogenetically related fish species’

Pronunciation

phylogenetically

/ˌfīlōjəˈnedik(ə)lē//ˌfaɪloʊdʒəˈnɛdɪk(ə)li/