The structure of the tree reflects our working phylogeny derived from different generally accepted trees and on molecular and morphological data. The detailed branching of the tree should not be interpreted literally, especially given that our understanding of the 'tree of life' is still being thoroughly shaken by new molecular and morphological data. Worth Publishers, Inc. New York. Information from Department of Evolutionary Biology, University of Copenhagen. The phylogeny presented here is a working tree.
All distances are approximate.
Scale is million years. Click on names to view bioinformatic, statistical and general information for a given taxon.