This image courtesy of Zhe Chen and Shuhai Xiao and released by Virginia Tech University shows the earliest known footprints left by an animal on earth. It is unclear what kind of creature left the tracks, which lie just a few millimeters apart and look like a two rows of shallow depressions, or holes, marked in the dark gray limestone. Photo: Virginia Tech via AFP

World’s oldest animal footprints have been discovered in China - and they’re tiny

It’s unclear what kind of tiny creature left the tracks, which date back at least 541 million years - up to 10 million years older than the previously discovered earliest footprints.

Topic |   Archaeology

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This image courtesy of Zhe Chen and Shuhai Xiao and released by Virginia Tech University shows the earliest known footprints left by an animal on earth. It is unclear what kind of creature left the tracks, which lie just a few millimeters apart and look like a two rows of shallow depressions, or holes, marked in the dark gray limestone. Photo: Virginia Tech via AFP
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