Scientists finally solved the mystery of Earth s greatest mass extinction
Published: 2026-07-21 • Permanent link
Why do beaches today have seashells from clams and snails instead of brachiopods?
A new study suggests the answer lies in Earth s greatest mass extinction, when warming oceans and falling oxygen levels wiped out animals that couldn t adapt.
More details are emerging as this story continues to develop. Stay with Banking With Billy for ongoing coverage and analysis.
Why it matters: Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in Earth s greatest mass extinction, when warming oceans and falling oxygen levels wiped out animals that couldn t adapt...
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