A 550-million-year-old sponge is filling a massive gap in the history of early life on Earth. What d...
Scientists Found a Fossil Along a River in China, and It Seems to Have Solved a 160-Million-Year-Old Mystery
A 550-million-year-old sponge is filling a massive gap in the history of early life on Earth. What did scientists uncover?
Author: The Daily Galaxy
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