FIGURE 2. Phylogeny of artiodactyls, cetaceans and archaic ungulates.
From the following article:
Whales originated from aquatic artiodactyls in the Eocene epoch of India
J. G. M. Thewissen, Lisa Noelle Cooper, Mark T. Clementz, Sunil Bajpai & B. N. Tiwari
Nature 450, 1190-1194(20 December 2007)
doi:10.1038/nature06343
The figure shows a consensus cladogram produced by heuristic searches with PAUP (random addition sequence, 1,000 repetitions), using a published data set10. See Supplementary Information for further details.
