[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
RE: again: frill of Triceratops
From: Jonathan R. Wagner[SMTP:email@example.com]
> One I would favor is blood support for a keratin sheath. Since
> Triceratops in particular had marginal hornlets, perhaps the entire
> frill was covered in horn. Or maybe all of the vascularization was
> there to support the frill.
Antlers on deer, moose and related species are a good example of this -
highly vaclularized to support growth, not thermoregulation.