cladogenesis
(noun)
An evolutionary splitting event in which each branch and its smaller branches forms a clade.
Examples of cladogenesis in the following topics:
-
The Fossil Record and the Evolution of the Modern Horse
- Both anagenesis, a gradual change in an entire population's gene frequency, and cladogenesis, a population "splitting" into two distinct evolutionary branches, occurred, and many species coexisted with "ancestor" species at various times.