Wang Xiaolin; Kellner, Alexander W.A.; Cheng Xin; Jiang Shunxing; Wang Qiang; Sayão, Juliana M.; Rordrigues, Taissa; Costa, Fabiana R.; Li Ning; Meng Xi; Zhou Zhonghe, 2015, "Eggshell and Histology Provide Insight on the Life History of a Pterosaur with Two Functional Ovaries", Anais da Academia Brasileira de Ciências (advance online publication) doi: https://dx.doi.org/10.1590/0001-3765201520150364
doi.org
dx.doi.org
Lü, J., Unwin, D.M., Jin, X., Liu, Y. and Ji, Q. (2010). "Evidence for modular evolution in a long-tailed pterosaur with a pterodactyloid skull." Proceedings of the Royal Society B, 277(1680): 383-389. DOI: 10.1098/rspb.2009.1603PMID 19828548
Wang Xiaolin; Kellner, Alexander W.A.; Cheng Xin; Jiang Shunxing; Wang Qiang; Sayão, Juliana M.; Rordrigues, Taissa; Costa, Fabiana R.; Li Ning; Meng Xi; Zhou Zhonghe, 2015, "Eggshell and Histology Provide Insight on the Life History of a Pterosaur with Two Functional Ovaries", Anais da Academia Brasileira de Ciências (advance online publication) doi: https://dx.doi.org/10.1590/0001-3765201520150364
Hecht, J. (2011). "Did pterosaurs fly out of their eggs?" New Scientist online edition, 20 Jan 2011. Accessed online 21 Jan 2011, Did pterosaurs fly out of their eggs?
nih.gov
ncbi.nlm.nih.gov
Lü, J., Unwin, D.M., Jin, X., Liu, Y. and Ji, Q. (2010). "Evidence for modular evolution in a long-tailed pterosaur with a pterodactyloid skull." Proceedings of the Royal Society B, 277(1680): 383-389. DOI: 10.1098/rspb.2009.1603PMID 19828548