Sister group
(Redirected from Sister taxon)
A sister group or sister taxon is a term used to describe the closest relatives of an organism (or other taxon) in a phylogenetic tree.[1] It is a term in cladistics.
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The sister group of organism A is B. The sister group of the clade B+A, is C.
Sister Group Media
A Dinosauria phylogeny including two extant taxa: birds (Theropoda) and crocodiles (Suchia).
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References
- ↑ Eernisse, D.J. "Introduction to phylogeny: what is a sister taxon?". Biology 404 - Evolution. Department of Biological Science, California State University, Fullerton. Archived from the original on 24 September 2018. Retrieved 4 January 2012.