title: Haeckel's 1866 tree of life and the origin of eukaryotes.
authors: Institute of Biology, University of Kassel, D-34132 Kassel, Germany.
authors: U
authors: U
authors: Kutschera
mesh_terms: D005075:Biological Evolution; D056890:Eukaryota; D019143:Evolution, Molecular; D005858:Germany; D049672:History, 19th Century; D019369:Life; D008954:Models, Biological; D000069497:Origin of Life; D010802:Phylogeny