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Paraphyletic


Paraphyletic
In phylogenetics, a grouping of organisms is said to be paraphyletic (Greek para = near and phyle = race) if all the members of the group have a common ancestor, ...
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Paraphyletic taxon : A group composed of a collection of organisms, including the most recent common ancestor of all those organisms.
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Paraphyletic
A group of taxa that includes an ancestral taxon but not all descendants of that taxon - e.g.
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paraphyletic groups Groups that do not include all descendants of a common ancestor.
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Reptiles are a paraphyletic group. The group can be made monophyletic by including the birds (Aves).
Groups that do include all the descendants of the most recent common ancestor are commonly said to be monophyletic.
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Monophyletic, paraphyletic, and polyphyletic trees
Taxonomists following cladistic analysis place taxa into clades based on the derived character states that the taxa share. For example, a wing is a character.
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