Image: Phylogenetic-Groups-Rev

Description: Phylogenetic groups: *A monophyletic taxon contains a common ancestor and all of its descendants. ** Diagram: in yellow, the group of "reptiles and birds" *A paraphyletic taxon contains its most recent common ancestor, but does not contain all the descendants of that ancestor. ** Diagram: in cyan, the reptiles *A polyphyletic taxon does not contain the most recent common ancestor of all its members. ** Diagram: in red, the group of "all warm-blooded animals"
Title: Phylogenetic-Groups-Rev
Credit: Phylogenetic-Groups.svg
Author: Phylogenetic-Groups.svg: Original uploader was TotoBaggins at en.wikipedia derivative work: Peter coxhead (talk)
Usage Terms: Public domain
License: Public domain
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