![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhH4nmLtPfnFSllFUySZcARcmUkHyfND_7w3ZtiZ8n8kGNZ92GEhFoooOva_PlZhVeyQlDLKOUiNM-U7cjrvHr4aMrw8jgcIStR4cWId32YWWzLAJ0EgXUF6x519qcBsa5uhfx-lw/s400/071018-reptile-tracks_big.jpg)
Cool fossil reptile footprints.
An unknown animal created the fossilized prints seen above while strolling along the muddy bottom of a nearly dry riverbed.
The tracks were found in the same region of New Brunswick, Canada, where the oldest-known reptile skeletons were unearthed 150 years ago.
But the ancient footprints are preserved in sediments that lay more than half a mile (nearly a kilometer) deeper than those 315-million-year-old bones—which suggests they were made by an animal that lived one to three million years earlier.
photo by Howard Falcon-Lang National Geographic.
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