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[mon-oh-fahy-let-ik] /ˌmɒn oʊ faɪˈlɛt ɪk/
Biology. consisting of organisms descended from a single taxon.
Origin of monophyletic
1870-75; mono- + phyletic
Related forms
[mon-uh-fahy-li-tiz-uh m, -fil-i-] /ˌmɒn əˈfaɪ lɪˌtɪz əm, -ˈfɪl ɪ-/ (Show IPA),
monophylety, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for monophyletic
  • The arrangement of major snake groups herein reflects well-supported evolutionary divergence and monophyletic relationships.
  • All living birds share a common ancestor that would also be considered a bird, so they are a monophyletic group.
British Dictionary definitions for monophyletic


relating to or characterized by descent from a single ancestral group of animals or plants
(of animals or plants) of or belonging to a single stock
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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monophyletic in Medicine

monophyletic mon·o·phy·let·ic (mŏn'ō-fī-lět'ĭk)

  1. Descended or derived from one original stock or source.

  2. Of or being the theory that all blood cells are derived from one common stem cell.

mon'o·phy'le·tism (-fī'lĭ-tĭz'əm) n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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monophyletic in Science
Relating to a taxonomic group that contains all the descendants of a single common ancestor. All clades, such as birds and placental mammals, are monophyletic. Compare paraphyletic, polyphyletic.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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