Sciencing on MSN22d
The Tiny Marine Creature That Became Tennessee's State FossilTennessee decided to award a tiny marine creature, which lived in warm, ancient seas millions of years ago, the title of official state fossil.
The work “gives good evidence that there were sponges living 890 million years ago, and that’s much older than any firm recognition of fossil sponges so far,” says Robert Riding, a geologist at the ...
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