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Coelurosauravus



    Tomorrow's issue of the journal _Science_, published by the AAAS, contains 
a report on _Coelurosauravus_, a Triassic 
amniote that had wings supported by new bones formed in the skin, rather than 
by modifications of existing bones.  
Hans-Dieter Sues (Royal Ontario Museum, Toronto), Eberhard Frey, and Wolfgang 
Munk (both State Museum of 
Natural History, Karlsruhe, Germany) conclude that "bundles of bony rods formed 
in the skin and opened like 
an old Japanese fan, radiating from the shoulder area." When spread, the 
bundles formed two curved wings, allowing the 
animal to be carried "tens of meters."  For a brief summary, see "How Reptiles 
Took Wing" at

                                          
http://www.sciencenow.org/html/970306a.htm

-=Tuck=-