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dinosaur went back sea beer bellied dinosaur

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John Batchelor May 2 2016 Podcast MP3 Dinosaur That Went Back to the Sea. Beer-bellied Dinosaur. King Rat of Madagascar@sciencemagazine. 0:0011:05 Share on twitter Google+ 05-01-2016 ‪The Ichthyosaurus was a marine vertebrate that existed in the early Jurassic period. The time line of its existence is estimated at about 190 to 180 million in population http://johnbatchelorshow.com/blog Twitter: @batchelorshow Dinosaur That Went Back to the Sea. Beer-bellied Dinosaur. King Rat of Madagascar @sidperkins @sciencemagazine. “…The new fossil of the presumed proto-ichthyosaur was unearthed from rocks in eastern China in 2011. Those rocks were laid down as marine sediments about 248 million years ago, Jiang says. The well-preserved fossil is quite complete, with only a portion of the tail missing, he notes. When alive, the creature was probably about 40 centimeters long—about the size of a large lizard—and weighed about 2 kilograms. “The fossil’s vertebrae and ribs are thick-walled and well mineralized, so the creature was probably an adult when it died. But most bones in the forelimbs were small and widely separated, a sign that the forelimbs were likely cartilage-filled flippers and not legs, Jiang says. The creature’s hindlimbs were reduced in size, another adaptation for life at sea. The new species’ name, Cartorhynchus lenticarpus, comes from the Greek words for “short snout” (another feature of the fossil) and Latin words for “flexible wrist.” The creature’s heavy bones, like a scuba diver’s weight belt, counteracted natural buoyancy and probably enabled it to forage in shallow coastal waters, Jiang says. Yet C. lenticarpus could probably get around well on land using its flippers, just as seals and sea lions do today. Jiang and his colleagues describe the new species online today in Nature….” http://news.sciencemag.org/biology/2014/11/how-ichthyosaur-got-its-fins http://www.nature.com/news/fossils-reveal-beer-bellied-dinosaur-1.16203 http://news.sciencemag.org/paleontology/2014/11/meet-vintana-second-largest-mammal-lived-dinosaurs The John Batchelor Show

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