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Re: Mesozoic - the heyday of life?

To: dinosaur@usc.edu
Subject: Re: Mesozoic - the heyday of life?
From: pwillis@ozemail.com.au (Paul Willis)
Date: Sat, 14 Jun 1997 10:11:55 +1100
Reply-to: pwillis@ozemail.com.au
Sender: owner-dinosaur@usc.edu

>The observation by JSW that dinosaurs took a long time to become gigantic is
>incorrect. The first big sauropod, Vulcanodon, appeared in the very early
>Jurassic. Truly gigantic sauropods appeared by the Middle Jurassic. Sauropods
>were giants for about 140 million years, a record matched by no other
>tetrapod group.


Umm, when did whales cease to be tetrapods?

Cheers,

Paul


Dr Paul M.A. Willis
Consulting Vertebrate Palaeontologist
Quinkana Pty Ltd
pwillis@ozemail.com.au

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