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| Dinosaur
http://en.wikipedia.org
Dinosaurs were the dominant vertebrate animals of terrestrial ecosystems for over 160 million years, from the late Triassic period (about 230 million years ago) to the end of the Cretaceous period (65 million years ago), when most of them became extinct in the Cretaceous–Tertiary extinction event.
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Added: 25-07-2008
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| How Did Dinosaurs Extinc
http://answers.yahoo.com
Asteroid Impact
Asteroids very seldom pass through the earth's atmosphere, but when they do they cause mass destruction. One of the most common extinction theories is that an asteroid 4-9 miles (10 km) wide struck the earth on the tip of the Yucatan Peninsula, in the Gulf of Mexico dealing the dinosaurs a fatal blow.
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Added: 25-07-2008
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| When Did Dinosaurs Go Extinct?
http://www.sciencedaily.com
ScienceDaily (Apr. 28, 2008) — Scientists at the University of California, Berkeley, and the Berkeley Geochronology Center have pinpointed the date of the dinosaurs' extinction more precisely than ever thanks to refinements to a common technique for dating rocks and fossils.
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Added: 25-07-2008
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| DINOSAUR EXTINCTION
http://www.enchantedlearning.com
Most of the dinosaurs went extinct long before the catastrophic mass extinction at the end of the Cretaceous period, 65 million years ago. Background extinctions and many minor extinctions accounted for the disappearance of most of the dinosaur species.
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Added: 25-07-2008
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| The Extinction Of The Dinosaurs
http://www.answersingenesis.org
Dinosaur extinction is still a major enigma of earth history. In this review article, extinctions in the geological record will be briefly mentioned. Many of the imaginative theories for the extinction of the dinosaurs will also be presented. Within the uniformitarian paradigm, the meteorite impact theory, once considered ‘outrageous’, now is the dominant theory.
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Added: 25-07-2008
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| What Killed The Dinosaurs?
http://science.nationalgeographic.com
Sixty-five million years ago the last of the non-avian dinosaurs went extinct. So too did the giant mosasaurs and plesiosaurs in the seas and the pterosaurs in the skies. Plankton, the base of the ocean food chain, took a hard hit. Many families of brachiopods and sea sponges disappeared. The remaining hard-shelled ammonites vanished. Shark diversity shriveled. Most vegetation withered. In all, more than half of the world's species were obliterated.
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Added: 25-07-2008
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| Dinosaur Extinction Whens and Whys
http://serendip.brynmawr.edu
Massive creatures have once ruled the earth over 65 million years ago. Some dinosaurs were found to be tons in weight and over a hundred feet in height. How did these large creatures just disappear from the face of the earth and in such a short period of time? We have discovered that not only dinosaurs became extinct but also other organisms in the ocean and land were greatly affected. The structure of Earth has also changed where continents had moved, major ridge expansion took place, and land has sunken under sea or risen above water (1).
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Added: 25-07-2008
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| The Dinosaur Origin and Extinction.
http://home13.inet.tele.dk
The dinosaurs originated from diapside reptiles, which survived the mass-extinction at the end of the Permian as swimming archosaurs. From those emerged bipedal archosaurs, among others two groups of bipedal herbivores, the short-necked ancestors of the ornitischian dinosaurs, and long-necked ancestors of the saurischian sauropods.
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Added: 25-07-2008
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| Major Groups Of Dinosaurs
http://forum.prisonplanet.com
According to the latest research, species around the world are going extinct faster that previously thought, at a rate not seen since the extinction of the dinosaurs. The Living Planet index which was released today shows that due to destructive human activity, the diversity of all life on earth has decreased by over 30%, nearly a third in fact in the past thirty-five years."
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Added: 31-07-2008
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| Descriptions of Extinct Animals
http://www.science-art.com
Barbourofelis was a large carnivore from Miocene North America. Though it resembles a saber-toothed cat, it's actually in a group called the nimravids, which is unrelated to modern felines. The painting is based on a cast of the fossil skull and observations of modern zoo animals.
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Added: 31-07-2008
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| Dinosaurs-Extinct Or Merely Fun Sized
http://www.nwcreation.net
Dinosaurs have captivated the imaginations of people all over the world. It is estimated that there are about 250 to 550 different species of dinosaurs. From the giant Brachiosaurus to the tiny Ornitholestes, dinosaurs came in all shapes and sizes. There are two major groups known as the saurischians and the ornithischians. These groups can be distinguished because of the different structures of their hips. (Haines 13)
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Added: 25-07-2008
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| How Did The Dinosaurs Become Extinct
http://www.infowest.com
How did the dinosaurs become extinct? This is a question that has stumped scientists ever since dinosaur fossils were first discovered. There are many theories as to how the dinosaurs became extinct. This page presents some of the most popular thoeries.
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Added: 25-07-2008
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| Dinosaurs To Dodos
http://yazoo.lib.ms.us
Presents the names, physical characteristics, and places of origin of a variety of extinct animals, arranged chronologically into eras, periods, and epochs, and discusses times of mass extinction.
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Added: 25-07-2008
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| Extinct Animals
http://extinctanimals.proboards22.com
Welcome to The Extinction Website Forum. This is an international independent forum, with members from all over the world! Everyone is free to join and discuss or debate any extinction related topics. Only posts in English are allowed!
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Added: 31-07-2008
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| Biology Of Dinosaurs
http://www.extinctanimal.com
You may have heard of the spectacular BBC documentaries Walking With Dinosaurs", and it's sequels "Walking with Prehistoric Beasts", and "Allosaurus"; these are considered by many to be landmark achievements in documentary filmmaking. They are the closest we can get to prehistoric nature without the aid of cloning. Almost every aspect of the extinct animals' lives are under scrutiny her, from food habits to mating rituals.
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Added: 31-07-2008
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| Who Dunnit To The Dinosaurs
http://www.unmuseum.org
They reigned over the earth for more than 100 million years and suddenly, mysteriously disappeared. What caused the demise of this ubiquitous group of reptiles which included some of the largest animals to ever walk the planet?
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Added: 25-07-2008
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| Dinosaur Extinction Page
http://web.ukonline.co.uk
There have been many mass extinctions throughout the history of the Earth. Probably the most famous is the extinction that finally saw the end of the dinosaurs reign on the Earth, 65 million years ago. It wasn't just the dinosaurs that died out in this extinction. Whatever caused the death of the dinosaurs also caused the death of around 70% of all of the species on the Earth.
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Added: 25-07-2008
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