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Summary
Description
English: 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"
Copyright status:
This work has been released into the public domain by its author, TotoBaggins at the wikipedia project. This applies worldwide.
Source:
http://commons.wikimedia.org/wiki/File:Phylogenetic-Groups.svg
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment |
current | 11:37, 6 January 2013 |  | 554 × 472 (54 KB) | Luiz Alexandre Silva | Description English: 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 n |
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