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RE: Eodromaeus, new basal theropod from Triassic in Argentina

Paul Sereno called them "primitive-looking bristles" rather than down when I 
interviewed him. I couldn't fit that into my New Scientist story. He suspects 
they were ancestral to all dinosaurs, although definitive proof is lacking. 

It would be very interesting to find one of these little guys preserved with 
skin or integument. 

At 2:55 PM +0000 1/14/11, David Howlett wrote:
>Interesting how the pop culture image of small predatory dinosaurs is slowly 
>beginning to shift - did anyone else notice that the illustration in that 
>article included a fuzzy layer of down? Obviously there is no evidence in the 
>slightest for this, but it does demonstrate that the concept of feathered 
>dinosaurs is becoming ubiquitous - amazing considering that even a decade ago 
>there was still a lot of resistance to the idea in the mind's eye of the 
>And who knows, maybe Eodromaeus did indeed have some form of integument, if we 
>one day discover integument was basal to Dinosauria or even Ornithodira, and 
>feathers, Tiany-quills and pycnofibres all being derived from a common 

Jeff Hecht, science & technology writer
jeff@jeffhecht.com or jhecht@nasw.org
Boston Correspondent: New Scientist magazine
525 Auburn St., Auburndale, MA 02466 USA
tel. 617-965-3834  http://www.jeffhecht.com