Asteroid that killed the dinosaurs also wiped out the 'Obamadon'
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12/10/2012 09:49 PM
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Quoting: Anonymous Coward 14648539
The asteroid collision widely thought to have killed the dinosaurs also led to extreme devastation among snake and lizard species, according to new research—including the extinction of a newly identified lizard species Yale and Harvard scientists have named Obamadon gracilis.
"The asteroid event is typically thought of as affecting the dinosaurs primarily," said Nicholas R. Longrich, a postdoctoral associate with Yale's Department of Geology and Geophysics and lead author of the study. "But it basically cut this broad swath across the entire ecosystem, taking out everything. Snakes and lizards were hit extremely hard."
The study was scheduled for online publication the week of Dec. 10 in the Proceedings of the National Academy of Sciences.
Earlier studies have suggested that some snake and lizard species (as well as many mammals, birds, insects and plants) became extinct after the asteroid struck the earth 65.5 million years ago, on the edge of the Yucatan Peninsula. But the new research argues that the collision's consequences were far more serious for snakes and lizards than previously understood. As many as 83 percent of all snake and lizard species died off, the researchers said—and the bigger the creature, the more likely it was to become extinct, with no species larger than one pound surviving.
[link to phys.org]
what happened to the chewbaccasaurus?
baffle m with briliance,or startle m with stupidity. everbody outta the pool.
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