/ Dictionary / Index P phylogenetic classification: Meaning and Definition of Find definitions for: phylogenet'ic classifica'tion Pronunciation: [key] — Biol. Biol. classification of organisms based on their assumed evolutionary histories and relationships. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phylo- phylogeny Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language