Evolution Permian-Triassic Extinction

http://www.myspace.com/acorvettes

One of the most dramatic and mysterious events in the history of life, the so-called "Great Dying" of animals and plants some 250 million years ago, continues to fascinate and baffle scientists. Of the five or so mass extinctions recorded in Earth's fossils, this one at the end of the Permian period and the start of the Triassic was the most catastrophic.

More than half of the families of living things died out, and as many as 90 to 96 percent of the planet's marine species were lost. At the same time, perhaps 70 percent of the land's reptile, amphibian, insect, and plants species went extinct.

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[Desertphile]

Awesome. Got anything on the pre-Cambrian?

[Acorvettes]

I think I might, I have lots of vids to post. If I find it Ill post it next.

[handiman74]

Liam Neeson has one of the coolest voices ever.

[Icix1]

Of course. If it was a full extinction we wouldn't be here.

[smartwarlord]

@Legomakerx

Full extinction means all life on Earth ceased to exist. It has never happened. The most deadly extinctions only took out between 50-83% of life. (and yes, we [our ancestors] survived every one of them)

[N00bcrunch3r]

@JulesOille

Yo! Alligators were not around in the Permian Period, not even Crocodiles were!

[Legomakerx]

@Icix1 what do u mean by a full extinction?

[prehistoric28]

Send this cool new vid to the new PREHISTORIC CHANNEL. Cool new company that just launched.

[AceofDlamonds]

@chainbluelightning1

srr did I say that about this? Srry I meant that for the Ordovician-Silurian extinction event.

There are many possible ones for this, I like the idea of an extraterrestrial impact

[AceofDlamonds]

@chainbluelightning1

interestingly, some scientists theorize that a gamma ray burst may have been responsible for this event, although this is still speculation.....I want to believe this amazing event....but there's little evidence. =/

[chainbluelightning1]

The Great Dying was scary in its near complete efficiency. 96% of marine life and 70% of life on land was wiped out. That's like a Tunguska-fireball incinerates everything in your hometown except for you, your dog and a neighbor across the street. Most likely culprits were volcanoes and methane from the seafloor. BP should be charged with crimes against humanity with this Gulf gusher, as they managed to stab an undersea oil volcano that's also releasing methane.

[Whamesl0l]

yh coz alot of sea creatures lived(like where we came from)which is what kick-started the triassic period(ppl say that dinos evolved like we did)

[prehistorymaster42]

3, including the triassic-jurrasic extinction!