Autapomorphy

（重定向自Autapomorphies）

Phylogenies showing the terminology used to describe different patterns of ancestral and derived character or trait states.[1]

In phylogenetics, an autapomorphy is a distinctive anatomical feature, known as a derived trait, that is unique to a given taxon. That is, it is found only in one taxon, but not found in any others or outgroup taxa, not even those most closely related to the focal taxon (which may be a species, family or in general any clade. It can therefore be considered an apomorphy in relation to a single taxon. The word autapomorphy, first introduced in 1950 by German entomologist Willi Hennig, is derived from the Greek words αὐτός, aut- = "self"; ἀπό, apo = "away from"; and μορφή, morphḗ = "shape".

单词	Autapomorphies
释义	Autapomorphies 英语百科 Autapomorphy （重定向自Autapomorphies） In phylogenetics, an autapomorphy is a distinctive anatomical feature, known as a derived trait, that is unique to a given taxon. That is, it is found only in one taxon, but not found in any others or outgroup taxa, not even those most closely related to the focal taxon (which may be a species, family or in general any clade. It can therefore be considered an apomorphy in relation to a single taxon. The word autapomorphy, first introduced in 1950 by German entomologist Willi Hennig, is derived from the Greek words αὐτός, aut- = "self"; ἀπό, apo = "away from"; and μορφή, morphḗ = "shape".
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