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Chris Collinson (firstname.lastname@example.org) wrote:
<Scott, why have you reconstructed it with a chasmosaurine like squamosal
parietal arrangement rather than a centrosaurine one?.
From the looks of it, the specimen Scott is using for the squamosal is actual
part of the left arm of the parietal "T" described in the paper, but utilizing
more complete parietal morphology. The specimen Scott looks to be using for the
frill, WDCB MC-001, is also rather incomplete medially where it would join with
the intertemporal bar of the parietal, and appears to almost form a joint with
another bone, which can easily be assumed to infer the bone belongs to the
squamosal, instead. Still, for such complete postcrania for an apparently
intrinsic early centrosaurine, as Ryan argues, it is a pity the postcrania
Jaime A. Headden
"Innocent, unbiased observation is a myth." --- P.B. Medawar (1969)
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