Yanornis

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1	PAPERS early birds but also on the origin of birds with modern appearance. Add to Reading List Source URL: csb.scichina.com Language: English - Date: 2007-03-26 23:45:58 Phanerozoic Yanornis Songlingornis Enantiornithes Yixianornis Jiufotang Formation Liaoningornis Ornithurae Chaoyangia Ornithology Songlingornithidae Mesozoic
2	A second Cretaceous ornithuromorph bird from the Changma Basin, Gansu Province, northwestern China HAI−LU YOU, JESSIE ATTERHOLT, JINGMAI K. O’CONNOR, JERALD D. HARRIS, Add to Reading List Source URL: www.app.pan.pl Language: English - Date: 2010-12-06 07:16:42 Songlingornithidae Confuciusornithiformes Euenantiornithes Prehistoric birds Yanornis Gansus Songlingornis Yixianornis Hongshanornithidae Ornithology Mesozoic Enantiornithes