Summary
She learned to clean and piece together the ancient bones.
Her discoveries helped scientists understand extinct sea reptiles.
Key Points
3 points1
Born in 1799, Mary started collecting fossils as a child.
2
She uncovered the first nearly complete plesiosaur skeleton in 1823.
3
Her work proved that fossils were remains of real animals, not myths.
New Words to Learn
3 wordspaleontologist
person who studies very old plants and animals from their remains
reptile
cold‑blooded animal like a lizard or snake
extinct
no longer living
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