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From: gagen@bgsuvax.UUCP
Newsgroups: talk.origins,sci.bio
Subject: Re: Dinosaur Heresies
Message-ID: <750@bgsuvax.UUCP>
Date: Wed, 25-Mar-87 11:42:10 EST
Article-I.D.: bgsuvax.750
Posted: Wed Mar 25 11:42:10 1987
Date-Received: Sun, 29-Mar-87 11:12:05 EST
References: <14011@cca.CCA.COM> <629@bcsaic.UUCP>
Organization: Bowling Green State University B.G., Oh.
Lines: 21
Xref: utgpu talk.origins:470 sci.bio:180
Summary: Where are the dinasaurs?

In article <629@bcsaic.UUCP>, michaelm@bcsaic.UUCP (Michael Maxwell) writes:
> In article <14011@cca.CCA.COM> g-rh@cca.UUCP (Richard Harter) writes:
> >[mini-review of Bakker "Dinosaur Heresies"]
> >...  (2)  One of the striking
> >things about dinosaurs is that they were large -- there were no very
> >small dinosaurs (and some got very large indeed.)  Why?
> 
> how easy is it to distinguish mammal bones from tiny dinosaur bones?  How do
> we know that we haven't found fossils of tiny dinosaurs, but just incorrectly
> identified them as mammals (or birds)?  

It is currently thought that there were some tiny dinosaurs.  One current
hypothesis proposes that these dinosaurs are the ancestors of modern birds.
Mammallian bones are more dense then either dinosaur bird bones. 
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Kathi Gagen                                 gagen@bgsuvax
Dept of Biological Sciences
Bowling Green State Univ.
Bowling Green, Ohio