dinosaur tracks |
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navigate by keyword : allosaur ancestor ancient are bed birds comprising crossing cruziana date dinosaur evolution footprint footprints formation fossilised geological geology heading hunter jurassic life million morrison past period predatory rock rocks sedimentary surface there these three time toe toed trace track tracks two usa utah vertically ways years |
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Dinosaur tracks on the surface of a bed of sedimentary rock in Utah USA. The tracks date from the Jurassic period. There are at least two track ways crossing each other; one comprising three-toed footprints heading vertically-made by a predatory theropod dinosaur, and, one made up of rounded prints heading diagonally. |
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