IPFS News Link • Biology, Botany and Zoology
Dinosaurs Sprouted Wings Earlier Than Thought
• http://www.wired.com, By Michael BalterBut the restriction of these discoveries to such a limited geographical area has left a gap in the fossil record, leaving paleontologists to wonder whether wings and feathers might have evolved in dinosaur groups older than the maniraptorans. A team led by Darla Zelenitsky, a geoscientist at the University of Calgary in Canada decided to take a closer look at three specimens of a dinosaur called Ornithomimus edmontonicus housed at the Royal Tyrrell Museum of Paleontology near Drumheller, Canada. Two of the specimens, encased in hard blocks of coarse-grained sandstone, were found by a resident of Drumheller in 2008 and 2009; the third had been in the museum’s collections since the 1990s.