cladogram

American  

[klad-uh-gram, klay-duh-] / ˈklæd əˌgræm, ˈkleɪ də- /

noun

Biology.

1. a branching diagram depicting the successive points of species divergence from common ancestral lines without regard to the degree of deviation.

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cladogram British  

/ ˈkleɪdəʊˌɡræm /

noun

1. biology a treelike diagram illustrating the development of a clade See clade

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cladogram Scientific  

/ klăd′ə-grăm′,klā′də- /

1. A branching treelike diagram used to illustrate evolutionary (phylogenetic) relationships among organisms. Each node, or point of divergence, has two branching lines of descendance, indicating evolutionary divergence from a common ancestor. The endpoints of the tree represent individual species, and any node together with its descendant branches and subbranches constitutes a clade.

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Etymology

Origin of cladogram

First recorded in 1965–70; clado- + -gram ¹

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Example Sentences

See Examples For:

cladogram

In part 2, the bottom represents the common ancestor shared by all organisms in the cladogram.

From Textbooks ● Jan. 1, 2018

The positions of various characters in the cladogram reflect the order in which those characteristics arose.

From Textbooks ● Jan. 1, 2018

The forks in this cladogram show the order in which various groups branched off from the tetrapod lineage.

From Textbooks ● Jan. 1, 2018

Substantially simplified amphibolurine cladogram, mostly based on the topology shown in Pyron et al.

From Scientific American ● Jan. 17, 2014

The highly simplified cladogram below depicts the relationships among most of the major iguanian groups.

From Scientific American ● Apr. 1, 2013

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