From rss.dw-world.de
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Dinosaur
A Dinosaur guide. Dinosaurs were vertebrate animals that dominated the terrestrial ecosystem for over 160 million years, first appearing approximately 230 million years ago. Our knowledge about dinosaurs is derived from a variety of... [more]
A Dinosaur guide. Dinosaurs were vertebrate animals that dominated the terrestrial ecosystem for over 160 million years, first appearing approximately 230 million years ago. Our knowledge about dinosaurs is derived from a variety of fossil and non-fossil records, including fossilized bones, feces, trackways, and other impressions found in dig sites.
One of the Tyrannosaurus rex's direct ancestors was little more than a pint-sized reptile, according to an international team of researchers. A recently rediscovered dinosaur skull shows part of the T. rex's evolution.
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This video is called Tribute to Proceratosaurus. It has also Ceratosaurus images.
From the BBC:
Oldest T. rex relative identified
Scientists have identified the most ancient fossil relative of the dinosaur Tyrannosaurus rex.
The new addition to T. rex’s clan is known from a 30cm-long skull uncovered during excavations in Gloucestershire in the 1900s.
The well-preserved fossil is held in [...]
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From dearkitty.blogsome.com
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Revision as of 11:23, 3 November 2009
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== Tyrannosauridae skulls ==
== Tyrannosauridae skulls ==
[[File:Tyrannosauridae skull comparison 01.JPG|thumb|left| Skulls of ''Daspletosaurus'', ''Tarbosaurus'' and ''Tyrannosaurus rex''.]] During my study the last years, I have spent a lot of time with reserach of Tyrannosauridae and their common...
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From en.wikipedia.org
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Just a few weeks after tiny, early Raptorex kriegsteini was unveiled, a new wrench has been thrown into the family tree of the tyrannosaurs. The new Alioramus altai a horned, long-snouted, gracile cousin of Tyrannosaurus rex shared the same environment with larger, predatory relatives.
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From del.icio.us
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Spanning just 10 feet in length and sporting a tiny horn on its nose, a newly identified dinosaur has become the oldest known relative of the fierce meat-eater, Tyrannosaurus rex.
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From del.icio.us
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