An anonymous reader writes "Rare fossilised handprints of carnivorous dinosaurs have helped answer questions about the orientation of limbs which later evolved into wings in birds.
"Other supposed theropod hand prints had been reported in the past, but they were all either shapeless blobs or made by animals with downward-facing palms," said Martin Lockley of the University of Colorado in Denver, a dinosaur tracks expert and co-author of a paper detailing the find in the open access journal PloS One." Link to Original Source
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