Paul Sereno with Six Crocs (IMAGE)
Caption
Paleontologist Paul Sereno with his Saharan discoveries -- SuperCroc, BoarCroc (upper right), PancakeCroc (lower right), RatCroc, DogCroc and DuckCroc. The fossil crocs were unearthed in a series of expeditions to the Sahara beginning in 2000, supported by the National Geographic Society.
Credit
Photo by Mike Hettwer, courtesy National Geographic
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