- 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/.
Origin of phylogeny
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for phylogenetically
The former are phylogenetically and ontogenetically older than the latter.The Wonders of Life
It disappears most rapidly after the beginning of absolute disuse both ontogenetically and phylogenetically.
Phylogenetically the same gradual development can be traced in the vertebrate series.
Phylogenetically it is a very old structure, for evidences of its existence are found in the fossil remains of some Elasmobranchs.
Phylogenetically, then, we see this morbid "sense of injury" to be reversional.
- biology the sequence of events involved in the evolution of a species, genus, etcCompare ontogeny
C19: from phylo- + -geny
Word Origin and History for phylogenetically
Online Etymology Dictionary, © 2010 Douglas Harper
- The evolutionary development and history of a species or higher taxonomic grouping of organisms.phylogenesis
- The evolutionary development of an organ or other part of an organism.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- 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.