Re: Psittacosaurus "chaoyoungi"

["Jordan Mallon" <j_mallon@hotmail.com>]

> From: "Jaime A. Headden" <qilongia@yahoo.com>

>   The fact that it was renamed *Chaoyangsaurus youngi,* actually.

Really?  That's not what I read:
http://www.dinodata.net/Dd/Namelist/Tabp/P179.htm
According to the above web page, P. "chaoyoungi" "may prove to be 
Chaoyangosaurus (D.A. Russel pers. comm.)".  By that quote, I get the 
impression that the types for both Chaoyangosaurus and P. "chaoyoungi" are 
two different things.
The dates surrounding discussions of the two species do seem to suggest that 
they might be based on one and the same specimen, however.
Kinda confused,

Jordan Mallon

Undergraduate Student, Carleton University
Vertebrate Paleontology & Paleoecology

Paleoart website: http://www.geocities.com/paleoportfolio/
http://dino.lm.com/artists/display.php?name=Mallon
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