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Paleontologists Observe Psittacosaurus Growth Through Fossil Studies
2013-06-28 14:25:17

Lee Rannals for redOrbit.com - Your Universe Online Paleontologists from around the globe have shown how the "parrot dinosaur" switched from four feet to two as it grew. Scientists from several universities wrote in the journal Nature Communications about how a Psittacosaurus would grow. These dinosaurs are one of the best-known dinosaurs, with more than 1,000 specimens found from the Cretaceous period in China and other parts of East Asia. The team sectioned two arm and two leg...

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2009-06-17 10:00:00

Plants or meat: That's about all that fossils ever tell paleontologists about a dinosaur's diet. But the skull characteristics of a new species of parrot-beaked dinosaur and its associated gizzard stones indicate that the animal fed on nuts and/or seeds. These characteristics present the first solid evidence of nut-eating in any dinosaur."The parallels in the skull to that in parrots, the descendants of dinosaurs most famous for their nut-cracking habits, is remarkable," said Paul Sereno, a...

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2006-12-20 10:14:26

Sauropods did not have a 'gastric mill.' How they processed their food without molars remains unclear The giant dinosaurs had a problem. Many of them had narrow, pointed teeth, which were more suited to tearing off plants rather than chewing them. But how did they then grind their food? Until recently many researchers have assumed that they were helped by stones which they swallowed. In their muscular stomach these then acted as a kind of 'gastric mill'. But this assumption does not seem to...


Word of the Day
glogg
  • Scandinavian punch made of claret and aquavit with spices and raisins and orange peel and sugar.
This word comes from the Swedish 'glogg,' which is an alteration of 'glodgat,' mulled (wine).
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