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The small presumed ungulate ancestor, Protungulatum, bounds across a sene in which the multituberculate Taeniolabis chews on a Joeffrea sapling, under the gaze of an arboreal early ungulate relative, Chriacus in the Palaeocene landscape of Dry Island Buffalo Jump, Alberta, for the interpretive sign series entitled "Alberta's Fossil Trail", commissioned by the Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta, Canada.