The fish were found with hot glass in their gills, likely from flaming debris. The discovery of a fossilized fish may offer a glimpse into the day an asteroid hit the earth and wiped dinosaurs off the ...
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541-Million-Year-Old Sea Sponge Confirmed As One of Earth’s First Animals
Learn about how chemical fossils helped researchers identify one of Earth’s earliest animals: a sea sponge from the Ediacaran Period.
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