clad·​o·​gen·​e·​sis | \ ˌkla-də-ˈje-nə-səs How to pronounce cladogenesis (audio) \

Definition of cladogenesis

: evolutionary change characterized by treelike branching of taxa — compare anagenesis

Other Words from cladogenesis

cladogenetic \ ˌkla-​dō-​jə-​ˈne-​tik How to pronounce cladogenesis (audio) \ adjective
cladogenetically \ ˌkla-​dō-​jə-​ˈne-​ti-​k(ə-​)lē How to pronounce cladogenesis (audio) \ adverb

Examples of cladogenesis in a Sentence

Recent Examples on the Web But the case for cladogenesis over anagenesis hinges entirely on that 3.9-million-year-old forehead bone from Belohdelie belonging to A. afarensis—no other A. afarensis remains recovered thus far are that old. Kate Wong, Scientific American, 7 Dec. 2019 This branching mode of evolution, known as cladogenesis, can occur when populations of a species become isolated from one another and are thus able to evolve in different directions. Kate Wong, Scientific American, 7 Dec. 2019 Since these modern features were already present in the older species, the most likely scenario is that Lucy’s species formed by evolutionary divergence from A. anamensis – a process known as cladogenesis. Hester Hanegraef, Quartz Africa, 7 Sep. 2019 Further evidence for cladogenesis comes from a 3.9m years old frontal bone (part of the forehead) from Ethiopia, discovered in 1981. Hester Hanegraef, Quartz Africa, 7 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cladogenesis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cladogenesis

1953, in the meaning defined above

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The first known use of cladogenesis was in 1953

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Cite this Entry

“Cladogenesis.” Dictionary, Merriam-Webster, Accessed 19 Jan. 2022.

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