Author Topic: Fossil of most primitive 4-legged creature found  (Read 2397 times)

Offline sam milla

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Fossil of most primitive 4-legged creature found
« on: June 26, 2008, 11:13:27 AM »
Scientists unearthed a skull of the most primitive four-legged creature in Earth's history, which should help them better understand the evolution of fish to advanced animals that walk on land. ADVERTISEMENT



The 365 million-year-old fossil skull, shoulders and part of the pelvis of the water-dweller, Ventastega curonica, were found in Latvia, researchers report in a study published in Thursday's issue of the journal Nature. Even though Ventastega is likely an evolutionary dead-end, the finding sheds new details on the evolutionary transition from fish to tetrapods. Tetrapods are animals with four limbs and include such descendants as amphibians, birds and mammals.

While an earlier discovery found a slightly older animal that was more fish than tetrapod, Ventastega is more tetrapod than fish. The fierce-looking creature probably swam through shallow brackish waters, measured about three or four feet long and ate other fish. It likely had stubby limbs with an unknown number of digits, scientists said.

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« Last Edit: June 26, 2008, 12:01:06 PM by beibee »
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Fossil of most primitive 4-legged creature found
« on: June 26, 2008, 11:13:27 AM »

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Offline beibee

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Re: Fossil of most primitive 4-legged creature found
« Reply #1 on: June 26, 2008, 12:02:03 PM »


are folks still talking
of evolution in the 21st century?
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Re: Fossil of most primitive 4-legged creature found
« Reply #1 on: June 26, 2008, 12:02:03 PM »

 

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