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Re: Geographic Distribution of Maniraptora

I know of one postulated Gondwanan troodontid, but it turned out to be 
something else:

Before *Neuquenraptor* was described, it was known informally as 
"Araucanoraptor", and suggested as a possible troodontid.  Here's an old 
Mailing List post on it as a troodontid: 

and one confirming that "Araucanoraptor" and *Neuquenraptor* are the same:


-- Lonnie Allen Matson <lonniematson@paleobiologist.org> wrote:
I have looked in the literature, but I saw nothing mentioned as to their being 
any evidence of a Gondwanan lineage of Troodontid. If anyone knows differently, 
or has any thoughts on this, it would be very useful. Instead of tackling the 
geographic distribution of all Maniraptorans, we are starting with one group, 
and later, will look at them as a whole.


Lonnie Matson

"Trilobites and dinosaurs, who were each around for more than a hundred million 
years, might be amused at a species here only a thousandth as long deciding to 
appoint itself the guardian of life on Earth. That species is itself the 

---- Carl Sagan