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Dinosaurs in the museum
Date: 4/9/05 at 12:32PM
Mood: Thinking Playing: I’m a little dinosaur, by Jonathan Richman
Today, a lecture about dinosaurs in the museum.
They have an Edmontosaurus annectens there. Almost all of its original skeleton.
This species, a hadrosaur or “duckbill dinosaur”, lived in what is now the USA and Canada, not very long before all dinosaurs became extinct.
Its size was about 13 m.
It is often referred to as the cow of the Cretaceous.
Some skulls measure nearly 2 feet long with almost 2000 teeth within the jaws.
Fossils, more common than for many other dinosaur species, were found in Alberta, Colorado, Montana, Saskatchewan, South Dakota, Wyoming.
It is named after Edmonton city in Canada.
Also in this museum, also from the United States, also plant eating, but much bigger (in reality, not in this picture) and older: Camarasaurus supremus.
60% of the skeleton are original fossil bones; the rest is reconstruction.
Mexican man finds forty dinosaur prints in desert
Reuters
February 13, 2007
At the moment we can confirm these are footprints that belong to dinosaurs that lived during the early Cretaceous (period)
MEXICO CITY (Reuters) – A Mexican man has discovered dozens of dinosaur footprints dating back up to 110 million years along the banks of a dried river, scientists said on Tuesday.
Biologist Oscar Polaco said the footprints, found by a local resident in a desert region in central Mexico, belonged to three prehistoric species that came to drink water in the area, once a swampy zone close to the sea.
Polaco said more studies needed to be done to determine what species of dinosaur the fossilized prints, each one up to 60 cm (24 inches) across, belonged to.
“At the moment we can confirm these are footprints that belong to dinosaurs that lived during the early Cretaceous (period),” the scientist said.
The early Cretaceous period began about 144 million years ago and followed on from the late Jurassic period. The Cretaceous period is considered the last period before dinosaurs disappeared from earth about 65 million years ago.
The footprints are spread across land belonging to a local cooperative, whose members have built a fence round the site to protect it.
Last year scientists identified 30 other dinosaur prints in the same region, an area famous for the large numbers of fossils deposited there.
The prints found in 2006 belonged to 20-meter (66 foot)-long animal that weighed between 30 tons and 40 tons, with a small head, long neck and heavy feet.
Mexican researchers say those prints may have been made by a brontosaurus.
Copyright © 2007 Reuters, All Rights Reserved.
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Dinosours happen to be a perplexing creature. their gargantaun size, their genetic history, their disappearance has always been a topic of interest among scientists.
A another add on which i would like to add with my comment is trassica.com, where dinosaur fossil related information can be found. which is useful for those who are concerned with it.We also discovered the worlds’ largest Jeholosaurus dinosaur fossil in 2006
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