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Latest Evolution of dinosaurs Stories

b6b28ab6183f463f5c77acbc09edc38a1
2009-01-27 08:05:00

A recent study by researchers at the University of Bath and London's Natural History Museum has found that scientists' knowledge of the evolution of dinosaurs is remarkably complete. Evolutionary biologists use two ways to study the evolution of prehistoric plants and animals: firstly they use radioactive dating techniques to put fossils in chronological order according to the age of the rocks in which they are found (stratigraphy); secondly they observe and classify the characteristics of...

6481c1d571d4b44881e9aa1f8a8e4e951
2005-06-27 16:40:00

The fossilized skeleton of a small crocodile relative excavated last year at Petrified Forest National Park in Arizona throws a wrench into theories of how and where the dinosaurs arose more than 210 million years ago at the end of the Triassic Period. This suggests that the herbivorous ornithischians and the meat-eating theropods, like Tyrannosaurus rex, did not evolve together in the Late Triassic as many paleontologists thought. Astrobiology Magazine -- The fossilized skeleton of a small...

2005-06-23 19:50:00

Berkeley - The fossilized skeleton of a small crocodile relative excavated last year at Petrified Forest National Park in Arizona throws a wrench into theories of how and where the dinosaurs arose more than 210 million years ago at the end of the Triassic Period. The animal, one of many creatures from the Late Triassic known only from their teeth, was thought to be an ancestor of the plant-eating ornithischian dinosaurs like Stegosaurus and Triceratops, which roamed the world millions of...


Latest Evolution of dinosaurs Reference Libraries

Psittacosaurus_mongoliensis_whole_BW
2012-03-20 21:58:23

Psittacosaurus, meaning “parrot lizard,” is a genus of ceratopsian dinosaur from the Early Cretaceous Period of what is now Asia (130 to 100 million years ago). It is the most species-rich dinosaur genus with nine to eleven recognized species from fossils found in different regions of modern-day China, Mongolia and Russia. There is also a possible species from Thailand. Psittacosaurus was named by Henry Fairfield Osborn, paleontologist and president of the American Museum of Natural...

45_73b3a3e53e49acab5aa2a6c99cb53b0b
2011-02-25 17:23:17

Scutellosaurus, meaning "little-shielded lizard," is a genus of herbivorous dinosaur from the Early Jurassic Period of what is now North America (200 to 196 million years ago). It is classified in the sub-order Thyreophora, which include armored dinosaurs. Its closest relative may have been Scelidosaurus, which, unlike the bipedal Scutellosaurus, was mainly quadrupedal. It was one of earliest representatives of Thyreophora. Fossil evidence includes two partial skeletons recovered from...

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Word of the Day
callithump
  • A somewhat riotous parade, accompanied with the blowing of tin horns, and other discordant noises; also, a burlesque serenade; a charivari.
'Callithump' is a back-formation of 'callithumpian,' a 'fanciful formation' according to the Oxford English Dictionary. However, the English Dialect Dictionary, says 'Gallithumpians' is a Dorset and Devon word from the 1790s that refers to 'a society of radical social reformers' or 'noisy disturbers of elections and meetings.'
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