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Re: The Permian-Triassic Extinction



Actually, there were dinosaurs in the Permian. But they were small and not very specialized at that point. The highly evolved premammalian reptiles held dominion.

It came as a surprise to me, too. There was actually an entire well-developed world before the end Permian extinction wiped out most life on Earth. Not the case that before the Triassic, life had only made it to the blob and fish stage.

If something wiped out most life on earth tomorrow, it might be hard for creatures 125 million years from now to believe how highly evolved life was when that happened. There might be no primates around to tell the tale. Just talking birds. Grin.

Yours,
Dora Smith
Austin, TX
tiggernut24@yahoo.com
----- Original Message ----- From: "Michael J. Balsai" <vze3vhpv@verizon.net>
To: <dinosaur@usc.edu>
Cc: "Dora Smith" <villandra@austin.rr.com>
Sent: Saturday, October 21, 2006 9:21 PM
Subject: Re: The Permian-Triassic Extinction



>I started looking at the links to related articles on the page, adn the >next interesting idea that these people have is that the lowering of >Earth's oxygen levels, as an ice age caused the earth to warm up, >resulted in dinosaurs evolving modern birdlike lungs. Is there any >evidence that all dinosaurs from the end of the Permian time had modern >birdlike lungs?

The dinosaurs did not even appear until the late Triassic. There were no dinosaurs in the Permian

Mike Balsai