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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.
Also, phylogenesis
[fahy-luh-jen-uh-sis] /ˌfaɪ ləˈdʒɛn ə sɪs/ (Show IPA)
Compare ontogeny.
Origin of phylogeny
1865-70; phylo- + -geny
Related forms
[fahy-luh-juh-net-ik] /ˌfaɪ lə dʒəˈnɛt ɪk/ (Show IPA),
phylogenetical, phylogenic, adjective
phylogenetically, adverb
phylogenist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for phylogenesis
Historical Examples
  • The ontogenesis of any given living organism is a short, condensed recapitulation of its ancestral history or of its phylogenesis.

    The Last Link Ernst Haeckel
  • A similar connection determines the relation between ontogenesis and phylogenesis.

  • We have concentrated the full force of our discussion upon an example drawn from phylogenesis.

    Creative Evolution Henri Bergson
British Dictionary definitions for phylogenesis


noun (pl) -nies, -geneses (-ˈdʒɛnɪˌsiːz)
(biology) the sequence of events involved in the evolution of a species, genus, etc Compare ontogeny
Derived Forms
phylogenic (ˌfaɪləʊˈdʒɛnɪk), phylogenetic (ˌfaɪləʊdʒɪˈnɛtɪk) adjective
Word Origin
C19: from phylo- + -geny
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for phylogenesis

1870, coined in German by Haeckel, from phylo- + genesis.



"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.

Online Etymology Dictionary, © 2010 Douglas Harper
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phylogenesis in Medicine

phylogenesis phy·lo·gen·e·sis (fī'lō-jěn'ĭ-sĭs)
See phylogeny.

phylogeny phy·log·e·ny (fī-lŏj'ə-nē)

  1. The evolutionary development and history of a species or higher taxonomic grouping of organisms. Also called phylogenesis.

  2. The evolutionary development of an organ or other part of an organism.

phy'lo·gen'ic (-jěn'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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phylogenesis in Science
The evolutionary development and history of a species or higher taxonomic grouping of organisms.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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