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> From: "Jaime A. Headden" <qilongia@yahoo.com>
> Reply-To: qilongia@yahoo.com
> Date: Wed, 30 Oct 2002 22:34:41 -0800 (PST)
> To: dinosaur@usc.edu
> Cc: Dinogeorge@aol.com
> So, what is the difference between a genus and a species? It works both
> ways. As Tom Holtz has pointed out, there really is no meter, no special
> character that if it shows up makes a taxon _sooo_ unique it gets to be a
> genus on its pretty lonesome.

I don't know about dinosaurs and other extinct animals, but in contempory
zoology a species is defined by whether or not they can reproduce.  In other
words, if a female and a male can produce viable offspring, then they belong
to the same species.  If they can only produce sterile offspring; as in
horse and donkey produce a mule, then they belong to the same genus, but not
the same species.  All other classification beyond that is pretty much
arbitrary or artificial.  Kinda hard to put these definitions to the test in
Dinosaurs.  -  Bill

Bill & Rebecca Hunt
Hunt Wildlife Studios
119 Bierstadt Ct
Livermore,  CO  80536
e-mail;  bill@huntstudios.com
Web;  http://www.huntstudios.com