WANG, X.; SHEN, C.; LIU, S.; GAO, C.; CHENG, X.; ZHANG, F. New material of Longipteryx (Aves: Enantiornithes) from the Lower Cretaceous Yixian Formation of China with the first recognized avian tooth crenulations. Zootaxa, Auckland, New Zealand, v. 3941, n. 4, p. 565–578, 2015. DOI: 10.11646/zootaxa.3941.4.5. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.3941.4.5. Acesso em: 2 may. 2025.