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July 24, 2015 02:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/bt4KZMD4y4g/four-legged-snake-fossil-stuns-scientists-ignites-controversy
Four-legged Snake Fossil Stuns Scientists, Ignites Controversy
sciencehabit writes: Scientists have described what they say is the first known fossil of a four-legged snake. The limbs of the 120-or-so-million-year-old, 20-centimeter-long creature are remarkably well preserved and end with five slender digits that appear to have been functional (abstract). Thought to have come from Brazil, the fossil would be one of the earliest snakes found, suggesting that the group evolved from terrestrial precursors in Gondwana, the southern remnant of the supercontinent Pangaea. But although the creature's overall body plan—and indeed, many of its individual anatomical features—is snakelike, some researchers aren't so sure that it is a part of the snake family tree.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/bt4KZMD4y4g/four-legged-snake-fossil-stuns-scientists-ignites-controversy
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