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Zhang, H.; Wang, M.; Liu, X. (2008). “Constraints on the upper boundary age of the Tiaojishan Formation volcanic rocks in West Liaoning-North Hebei by LA-ICP-MS dating”. Chinese Science Bulletin53 (22): 3574–3584. Bibcode: 2008SciBu..53.3574Z. doi:10.1007/s11434-008-0287-4.
Pascal Godefroit, Andrea Cau, Hu Dong-Yu, François Escuillié, Wu Wenhao and Gareth Dyke (2013). “A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds”. Naturein press (7454): 359–62. Bibcode: 2013Natur.498..359G. doi:10.1038/nature12168. PMID23719374.
Zheng, X.; Zhou, Z.; Wang, X.; Zhang, F.; Zhang, X.; Wang, Y.; Wei, G.; Wang, S. et al. (2013). “Hind Wings in Basal Birds and the Evolution of Leg Feathers”. Science339 (6125): 1309–1312. Bibcode: 2013Sci...339.1309Z. doi:10.1126/science.1228753. PMID23493711.
Pascal Godefroit, Andrea Cau, Hu Dong-Yu, François Escuillié, Wu Wenhao and Gareth Dyke (2013). “A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds”. Naturein press (7454): 359–62. Bibcode: 2013Natur.498..359G. doi:10.1038/nature12168. PMID23719374.