CeRaToPsIaNs...a different question (s).

[DinosØMP <padron@online.no>]

I have two questions about ceratopsians.
To me Archaeoceratops and Leptoceratops seems allmost identic - are they 
more close than other "protoceratopsians"?

I have only seen photos of the skull of Monoclonius flexus -which turnet 
out to be a Centrosaurus apertus. The skull of Monoclonius crassus (which 
is supposed to be a valid species) is it very different?

Thanks!

-DinosØMP