Snakes May Be Descended From Sea Monsters of Dinosaur Era
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From Times staff and wire reports
Snakes may be distantly descended from giant sea monsters that died out with the dinosaurs, researchers from Chicago and Syndey, Australia, report in Nature. The team reexamined the lizard-like fossil of a 97-million-year-old creature called Pachyrhachis problematicus and concluded that it is the most primitive known snake--so primitive that it still has hind legs.
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