STEM

Ancient Shark Nursery Discovered In Illinois: Strange Spoon Billed Sharks Gave Birth In Sea Water, But Lived In Fresh Water

Shark fossils in an Illinois coal mine? That's just the old news. Shark fossils in an Illinois coal mine? That's just the old news. Upon re-examining 310 million year old fossils of (now extinct) spoon-billed sharks known as badringas first discovered in a coal mine in Illinois in 1969, scientists determined that the specimens were actually all babies, Live Science reported.

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