Definition of phylogeny
1 : the evolutionary history of a kind of organism
2 : the evolution of a genetically related group of organisms as distinguished from the development of the individual organism
3 : the history or course of the development of something (such as a word or custom)
Recent Examples of phylogeny from the Web
Earlier this year paleontologists Matthew Baron, David Norman, and Paul Barrett unveiled a new dinosaur phylogeny that offers very different view of who’s related to whom.
The study describing Atractus cerberus, published on March 15 in ZooKeys, uses DNA from 30 Atractus species to build an ambitious phylogeny, or family tree, of the genus.
Darwin knew that paleontologists had only just begun to probe the fossil record, and so outlining phylogenies or tracing evolutionary lines of descent was a risky maneuver since those findings would almost certainly have to be revised.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phylogeny.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of phylogeny
International Scientific Vocabulary
First Known Use: 1869See Words from the same year
Medical Definition of phylogeny
1: the evolutionary history of a kind of organism
2: the evolution of a genetically related group of organisms as distinguished from the development of the individual organism—called also phylogenesis; compare ontogeny
Seen and Heard
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