Arthropod (Naroia). Credit: Dr. Xiaoya Ma The ancestors of many animal species alive today may have lived in a delta in what is now China,…
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500-Million-Year-Old “Worm-Like” Fossil Represents Rare Discovery of Ancient Animal in North America
500-Million-Year-Old “Worm-Like” Fossil Represents Rare Discovery of Ancient Animal in North America
Researchers at the University of Missouri have found a rare, 500-million-year-old “worm-like” fossil called a palaeoscolecid, which is an uncommon fossil group in North America.…