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On the common occurrence of manus-dominated sauropod trackways in Mesozoic carbonates.

Scientific paper published in the Gaia (number 10) entitled "On the common occurrence of manus-dominated sauropod trackways in Mesozoic carbonates."

Ongoing studies of sauropod track-bearing beds in the Upper Jurassic of Portugal, and elsewhere around the world, reveals that incomplete, sauropod trackways dominated by manus impressions are quite common. They have now been recorded at a total of six stratigraphic levels, in Portugal, and at 12 sites worldwide. Such trackways may be shallow underprints associated with smooth surfaces and relativ…