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 phy·lo·gen·e·sis [fahy-luh-jen-uh-sis]. /ˌfaɪ ləˈdʒɛn ə sɪs/.
- phy·lo·ge·net·ic [fahy-luh-juh-net-ik], /ˌfaɪ lə dʒəˈnɛt ɪk/, phy·lo·ge·net·i·cal, phy·lo·gen·ic, adjective
- phy·lo·ge·net·i·cal·ly, adverb
- phy·log·e·nist, noun
- Compare ontogeny.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use phylogeny in a sentence
It is expressed by the formula of Herbert Spencer, "Ontogeny recapitulates phylogeny."Education: How Old The New | James J. Walsh
These problems may be divided into two main groups, technically known as those of phylogeny and those of organogeny.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
From the point of view of phylogeny, the animal kingdom is, therefore, clearly much younger than the plant kingdom.
The three most valuable sources of evidence in phylogeny are paleontology, comparative anatomy, and ontogeny.
Scientific and thorough proof of this will be found in the three volumes of my Systematic phylogeny .
British Dictionary definitions for phylogeny
biology the sequence of events involved in the evolution of a species, genus, etc: Compare ontogeny
- phylogenic (ˌfaɪləʊˈdʒɛnɪk) or phylogenetic (ˌfaɪləʊdʒɪˈnɛtɪk), adjective
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
Scientific definitions for phylogeny
The evolutionary development and history of a species or higher taxonomic grouping of organisms.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.