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[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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  • Phylum

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  • Phyma

    [fahy-muh] /ˈfaɪ mə/ noun, plural phymas, phymata [fahy-muh-tuh] /ˈfaɪ mə tə/ (Show IPA). Pathology. 1. a nodule, swelling, or small, rounded tumor of the skin. phyma phy·ma (fī’mə) n. A nodule or small rounded tumor of the skin.

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    phymatosis phy·ma·to·sis (fī’mə-tō’sĭs) n. The occurrence or growth of phymas in the skin.

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