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Smithsonian magazine is saying here that Raptorex may just be a juvenile Tyrannosaurus bataar. What's this about and should we post it on the Raptorex page? --Taylor Reints 16:34, 17 October 2010 (UTC) —Preceding unsigned comment added by DeinonychusDinosaur999 (talk • contribs)
This has been discussed for a while online. Basically Raptorex looks exactly like a juvenile Tarbosaurus, and its assignment to the Yixian formation is dubious because it was collected privately, not by scientists. Sereno thought it was Yixian because there are a few fish vertebrae in the rock which he says are Lycoptera, a key indicator species of the Yixian. But the assignment to Lycoptera and not some later, related fish has never been supported. I'd mention this in the text but wait for the full paper to be published before expanding on it. MMartyniuk (talk) 23:45, 17 October 2010 (UTC)[reply]
