Understanding Evolution

Phylogenetic systematics, a.k.a. evolutionary trees


The original UCMP phylogenetic systematics content was written by Allen Collins in 1994. The current version (2006) is by Anna Thanukos.

Web production and graphics:
Josh Frankel


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Understanding Evolution © 2017 by The University of California Museum of Paleontology, Berkeley, and the Regents of the University of California