[fahy-loj-uh-nee] /faɪˈlɒdʒ ə ni/

the development or evolution of a particular group of organisms.
the evolutionary history of a group of organisms, especially as depicted in a family tree.
noun (pl) -nies, -geneses (-ˈdʒɛnɪˌsiːz)
(biology) the sequence of events involved in the evolution of a species, genus, etc Compare ontogeny

“genesis and evolution of a phylum,” 1869, from German Phylogenie, coined 1866 by German biologist Ernst Heinrich Haeckel (1834-1919) from Greek phylon “race” (see phylo-) + -geneia “origin,” from -genes “born” (see genus). Related: Phylogenic.

phylogeny phy·log·e·ny (fī-lŏj’ə-nē)

phy’lo·gen’ic (-jěn’ĭk) adj.
The evolutionary development and history of a species or higher taxonomic grouping of organisms.


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