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Re: Archaeopteryx had black feathers



Yes ... but since a new holotype has been designated by a recent
decision of the ICZN Executive (the London specimen), the question is
still valid.  What's to say that the original feather belongs to [what
we now know to be] Archaeopteryx?

-- Mike.


On 24 January 2012 21:46, Michael Lange <Michael.Lange@gmx.ch> wrote:
> Because the name was given, by the German Palaeontologist Hermann von Meyer, 
> to the feather, which was found first!
>
> Michael
> -------- Original-Nachricht --------
>> Datum: Tue, 24 Jan 2012 14:37:41 -0700
>> Von: "Tiffany Miller" <MissRaptor@deadraccoon.com>
>> An: dinosaur@usc.edu
>> Betreff: RE: Archaeopteryx had black feathers
>
>> How do they know the isolated feather belongs to Archaeopteryx?
>>
>> ~Tiffany Miller
>>
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>        {"Science is not belief, but the will to find out"}
>>                                          O
>>                                              o    .     _______ ~~~~~
>>                                                       /@ _____  <O>   \
>>                                                      /___       __/    )
>>                (http://www.deadraccoon.com)                ~~~         /
>>                                                                \
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> -----Original Message-----
>> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu] On Behalf Of
>> Ben Creisler
>> Sent: Tuesday, January 24, 2012 10:58 AM
>> To: dinosaur@usc.edu
>> Subject: Archaeopteryx had black feathers
>>
>> From: Ben Creisler
>> bcreisler@gmail.com
>>
>>
>> A new online article in Nature Communications:
>>
>>
>> Ryan M. Carney, Jakob Vinther, Matthew D. Shawkey, Liliana D'Alba &
>> Jörg Ackermann (2012)
>> New evidence on the colour and nature of the isolated Archaeopteryx
>> feather.
>> Nature Communications 3 (637)
>> doi:10.1038/ncomms1642  <a href="javascript:" 
>> cref="CitaviPicker10.1038/ncomms1642"><img style="border: 0px none;" 
>> src="data:image/png;base64,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!
> QW4SzUHHIK9hdFdF/6P74h190EUl2ZTcr6MwqiOo+BUIxMospx4jCIk1JKpJFckMKVhIb/1RgQ5jBw65UfWgVoY+2vAY6HTDOvv+h4cRuZzF1rezNTYQn9v3DhyVCsjYxXt6t9ZV4f1vgzgZDJIDPcwB2JUjFUU71pU1GUrqvX02FJ2nDU/QkTznP1fHXHBQ4OLfwUYALhaDRT0WgkEAAAAAElFTkSuQmCC"
>  title='Titel anhand dieser DOI in Citavi-Projekt übernehmen'/></a>
>> http://www.nature.com/ncomms/journal/v3/n1/full/ncomms1642.html
>>
>>
>>
>> Archaeopteryx has been regarded as an icon of evolution ever since its
>> discovery from the Late Jurassic limestone deposits of Solnhofen,
>> Germany in 1861. Here we report the first evidence of colour from
>> Archaeopteryx based on fossilized colour-imparting melanosomes
>> discovered in this isolated feather specimen. Using a phylogenetically
>> diverse database of extant bird feathers, statistical analysis of
>> melanosome morphology predicts that the original colour of this
>> Archaeopteryx feather was black, with 95% probability. Furthermore,
>> reexamination of the feather's morphology leads us to interpret it as
>> an upper major primary covert, contrary to previous interpretations.
>> Additional findings reveal that the specimen is preserved as an
>> organosulphur residue, and that barbule microstructure identical to
>> that of modern bird feathers had evolved as early as the Jurassic. As
>> in extant birds, the extensive melanization would have provided
>> structural advantages to the Archaeopteryx wing feather during this
>> early evolutionary stage of dinosaur flight.
>>
>>
>>
>> News stories:
>>
>> http://www.physorg.com/news/2012-01-winged-dinosaur-archaeopteryx-flight.html
>>
>>
>> http://news.brown.edu/pressreleases/2012/01/archaeopteryx
>>
>
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