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- noun Plural form of
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In fact we also now know that pakicetids had the double-pulley astragalus regarded as unique to artiodactyls, so now it seems that artiodactyls and cetaceans were closer to one another than cetaceans were to mesonychians.
Far from being seal-like protowhales, pakicetids – the most basal members of the cetacean radiation – were more like carnivorous little antelopes, though presumably they spent at least some time in shallow water.
In contrast to pakicetids, Ambulocetus had a narrow snout and laterally directed orbits, relatively short legs, and an overall robust skeleton.