Definition
phylesises
noun
- Plural of phylesis; the evolutionary development or history of a trait or organism within a single lineage.
Usage: technical; biology; rare
Examples
- The phylesises of different species reveal patterns of gradual evolutionary change.
- Paleontologists study the phylesises of extinct organisms through fossil records.
- Multiple phylesises can occur simultaneously within a population.
- The phylesises documented in this lineage span millions of years.