Monday, May 31, 2010

* Vertebrae

http://skepticwiki.org/index.php/Archaeopteryx#The_skull
"In modern birds, the bones of the pelvis and the lumbar, sacral, and a few caudal vertebrae are fused into a single, solid structure called the synsacrum. In Archaeopteryx, as in dinosaurs, the vertebrae are free and mobile."

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