Contact: Loren Babcock
Ohio State University
Caption: Pictured below is the trackway of one of the earliest animals, a multilegged creature that walked over the bed of an ancient sea once covering Nevada. The animal left behind a pair of parallel impressions -- small, round dots in the silt that later became rock.
Credit: Photos by Kevin Fitzsimons, Ohio State University.
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Related news release: Earliest animal footprints ever found -- discovered in Nevada