Liaoningornis

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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	PDF Document Add to Reading List Source URL: digitallibrary.amnh.org Language: English Taxonomy Confuciusornis Confuciusornithidae Changchengornis Yixian Formation Jiufotang Formation Enantiornithes Pygostyle Liaoningornis Confuciusornithiformes Mesozoic Phanerozoic