Share this entry

phylogenesis Syllabification: phy·lo·gen·e·sis
Pronunciation: /ˌfīlōˈjenəsəs/

Definition of phylogenesis in English:


The evolutionary development and diversification of a species or group of organisms, or of a particular feature of an organism. Compare with ontogenesis.
Example sentences
  • Later, during phylogenesis, phagocytosis of other prokaryotic cell types allowed the acquisition of plastids and mitochondria to form the contemporary eukaryotic cells.
  • Ontogenesis, we were taught, repeats phylogenesis - or, if you've been out of school too long, the development of the individual organism reiterates the evolution of the species.



Pronunciation: /ˌfīlōjəˈnedik/
Example sentences
  • The mode of dealing with ancestral taxa when using the phylogenetic method is a difficult issue.
  • Classification, however, is only one aspect of the much larger field of phylogenetic systematics.
  • We use the resultant phylogenetic hypothesis to explore the evolution of jaw ontogeny.


Pronunciation: /-jəˈnetik(ə)lē/
Example sentences
  • However, they are by no means limited to the same prokaryotic species and have been shown to occur even between phylogenetically distant prokaryotes.
  • It appears possible that intratentacular budding may have arisen in phylogenetically distant taxa using very similar if not identical sets of genes and pathways.
  • The above analysis identified eight phylogenetically distinct taxa in the three species, three of which are represented by only one isolate.


Late 19th century: from Greek phulon, phulē 'race, tribe' + genesis.

Definition of phylogenesis in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources