New research published in Scientific Reports is “the first report for any dinosaur of skin traces that cover entire footprints, and every footprint in a trackway,” according to the authors of the new paper. The little dino walked across a thin layer of fine mud that was similar to “a coat of fresh paint only a millimeter thick,” said Martin Lockley, a GES Emeritus Professor  and a co-author of the new paper.

Intricate skin impressions still visible on ‘exquisitely preserved’ dinosaur footprints
Gizmodo, April 9