This is a follow-up to the last post, where I described 10 cetacean ancestors and cousins. One (Indohyus) actually belongs to the order Raoellidae and not Cetacea. The image above is a graphical representation of the phylogenetic tree. Note that unlike a proper cladogram, the lengths of the branches don't mean anything (except maybe the limits of my skill with Visio...). Hopefully it gives a clearer idea of how all these interesting creatures are / were related to each other.
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