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Dinosaurs burrowed to keep warm

Dinosaurs burrowed to keep warm
AgenÃe France-Presse - Wednesday, 21 March 2007

Palaeontologists have found the remains of small dinosaurs that made their home in a burrow, a finding that suggests dinosaurs could exploit a much wider habitat than thought.

Fossilised bones and the dinosaurs' underground den were found in the US state of Montana.

Researchers have named the dinosaurs Oryctodromeus cubicularis, a mix of Greek and Latin that means "digging runner of the lair".

The burrow's soil has been dated to the mid-Cretaceous, a hothouse period that ran from about 135-115 million years ago.

"[It is] the first trace and body fossil evidence of burrowing behaviour in a dinosaur," the trio of US and Japanese researchers say.

Their paper appears in the Proceedings of the Royal Society B, a journal of the UK's Royal Society...

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Dann Pigdon
GIS / Archaeologist         http://www.geocities.com/dannsdinosaurs
Melbourne, Australia        http://heretichides.soffiles.com