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Date: 2006-05-09 04:39:50Mesozoic Feathered dinosaurs Dinosaurs Coelurosaurs Shoulder Unenlagia Confuciusornis Origin of birds Origin of avian flight Dromaeosaurs Biology Herpetology | Add to Reading ListSource URL: www.app.pan.plDownload Document from Source WebsiteFile Size: 322,84 KBShare Document on Facebook |