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Re: Giant birds

what about quadrepedal flightless birds like sauropods and >ceratopsians?

How are the chances of finding the any integumentary structures on the South American Lagosuchians. By Dinogeorge's hypothesis they should be the earliest birds.

On the matter of integumentary structures there was some kind of a theropod with soft tissue described by Keller (was it?) somewhere in south America. Is it possible that those beds provide more integumentary material?

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