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Re: Kulindadromeus "feathers" questioned by Theagarten Lingham-Soliar



*sigh*

On Thu, Oct 23, 2014 at 11:11 AM, Ben Creisler <bcreisler@gmail.com> wrote:
> Ben Creisler
> bcreisler@gmail.com
>
>
> In the new issue of Science:
>
>
> Theagarten Lingham-Soliar (2014)
> Comment on “A Jurassic ornithischian dinosaur from Siberia with both
> feathers and scales”
> Science  346 (6208): 434
> DOI: 10.1126/science.1259983
> http://www.sciencemag.org/content/346/6208/434.2.abstract
>
> Godefroit et al. (Reports, 25 July 2014, p. 451) reported scales and
> feathers, including “basal plates,” in an ornithischian dinosaur.
> Their arguments against the filaments being collagen fibers are not
> supported because of a fundamental misinterpretation of such
> structures and underestimation of their size. The parsimonious
> explanation is that the filaments are support fibers in association
> with badly degraded scales and that they do not represent early
> feather stages.
>
> ==
>
> Pascal Godefroit, Sofia M. Sinitsa, Danielle Dhouailly, Yuri L.
> Bolotsky, Alexander V. Sizov, Maria E. McNamara, Michael J. Benton,
> and Paul Spagna (2014)
> Response to Comment on "A Jurassic ornithischian dinosaur from Siberia
> with both feathers and scales".
> Science 346 (6208): 434
> DOI: 10.1126/science.1260146
> http://www.sciencemag.org/content/346/6208/434.3.abstract
>
> Lingham-Soliar questions our interpretation of integumentary
> structures in the Middle-Late Jurassic ornithischian dinosaur
> Kulindadromeus as feather-like appendages and alternatively proposes
> that the compound structures observed around the humerus and femur of
> Kulindadromeus are support fibers associated with badly degraded
> scales. We consider this hypothesis highly unlikely because of the
> taphonomy and morphology of the preserved structures.



-- 
Jaime A. Headden
The Bite Stuff: http://qilong.wordpress.com/


"Innocent, unbiased observation is a myth" - P. B. Medawar (1969)