smooth wombat writes "A newly discovered fossil seems to suggest that snakes evolved on land rather than in the water. The size of the fossil is unknown but it wasn't more than three feet long according to Hussam Zaher of the University of Sao Paulo in Brazil. It's the first time scientists have found a snake with a sacrum -- a bony feature supporting the pelvis -- he said. That feature was lost as snakes evolved from lizards, and since this is the only known snake that hasn't lost it, it must be the most primitive known, he said."
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