Re: [dinosaur] Bristle Scale As a Predecessor of Protofeather and Feather

[Ruben Safir <ruben@mrbrklyn.com>]

On 2/5/19 12:23 AM, Ben Creisler wrote:
> Ben Creisler
> bcreisler@gmail.com
> 
> 
> A new paper (I still believe in Kulindadromeus)
> 
> ===========
> 
> 
> 
> S. V. Saveliev & V. R. Alifanov (2019)
> Bristle Scale As a Predecessor of Protofeather and Feather.
> Paleontological Journal 52(12): 1436Ãââ1439
> DOI: 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__doi.org_10.1134_S0031030118120158&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=e8ROlOEiFGoh1bOHPCqOmBpqBOkEEEk2m3vP4WUodxA&s=JY6Tlz9KUyA_JxfngWcRdRafGafa4YS-rlf1H2suRl4&e=
> https://urldefense.proofpoint.com/v2/url?u=https-3A__link.springer.com_article_10.1134_S0031030118120158&d=DwIFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=Ry_mO4IFaUmGof_Yl9MyZgecRCKHn5g4z1CYJgFW9SI&m=e8ROlOEiFGoh1bOHPCqOmBpqBOkEEEk2m3vP4WUodxA&s=9--4B_PRZd5OiSB3FTIQnEeoIYYdWXkPujybtKJlhbs&e=
> 
> 
> 
> The bristle scale is a skin appendage recognized in the ornithischian
> dinosaurs Daurosaurus olovus and Kulindapteryx ukureica from the Kulinda
> locality (Transbaikalia, Russia). Morphologically, the bristle scale is a
> horn plate immersed in the dermis, with strands (bristles) diverging from
> its external edge. It is assumed that the filamentous protofeather of
> dinosaurs is the monobristle variant of the bristle scale and avian feather
> results from its tubular spatial modification. The bristle scale is
> considered to be intermediate between the reptilian scale and avian feather.
> 

For some reason, I thought it was shown that feathers did not develope
from scales, but were a new and separate anatomical feature.