Bennett, S.C. (2013). "A new specimen of the pterosaur Scaphognathus crassirostris, with comments on constraint of cervical vertebrae number in pterosaurs". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 271 (3): 327–348. doi:10.1127/0077-7749/2014/0392.
Lu, J.; Xu, L.; Chang, H.; Zhang, X. (2011). "A New Darwinopterid Pterosaur from the Middle Jurassic of Western Liaoning, Northeastern China and its Ecological Implications". Acta Geologica Sinica. 85 (3): 507–514. Bibcode:2011AcGlS..85..507L. doi:10.1111/j.1755-6724.2011.00444.x.
Lu, J.; Xu, L.; Chang, H.; Zhang, X. (2011). "A New Darwinopterid Pterosaur from the Middle Jurassic of Western Liaoning, Northeastern China and its Ecological Implications". Acta Geologica Sinica. 85 (3): 507–514. Bibcode:2011AcGlS..85..507L. doi:10.1111/j.1755-6724.2011.00444.x.