Tag: pikaia
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Was This Sea Creature Our Ancestor? Scientists Turn a Famous Fossil on its Head
The fossil of Pikaia, a creature that lived 508 million years ago and may have been a close relative of vertebrates.Credit…Mussini et al., Current Biology 2024 Carl Zimmer writes about Pikaia in his ORIGINS column in the New York Times. Discovered in 1909 by Charles Walcott in the Burgess Shale, Pikaia gracilens, which lived during…