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Re: Stegosaurus in Siberia
> What is the exact age of Yingshanosaurus? Kimmeridgian or Tithonian?
Regarding the fact that it's from China, and that it's still not described
(or is it?), the question is probably not "Kimmeridgian or Tithonian" (or
Oxfordian?), but "MJ, LJ, or EK".
> suggests the replacement of Chinese stegosaurs
Why "replacement"? Do we know that the non-stegosaurines (sensu
http://dinosauricon.com/taxa/stegosauria.html) died out?