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No frills look at ceratopsids
This is very heartening to read. The intraspecific combat idea was
imaginative extrapolation; wouldn't defence from towering
carnivores be the obvious reason to have a neck-protecting frill?
Likewise, the lethal structure & positioning of the horns would
parsimoniously only be necessary for inflicting mortal injury.
----- Original Message -----
From: "Andrew A. Farke" <email@example.com>
> Such skull
> roof contact was impossible in some chasmosaurine taxa, such
> Triceratops,due to near-vertical postorbital horn orientation, the
> presence of a nasal
> horn or boss, and limitations in skull mobility. Also, this horn
> orientationwould have made frontal charges and head butting
> Bison or Capra)
> nearly impossible to execute without great risk of injury.