Project 4477: T. Aureliano, A. M. Ghilardi, R. T. Müller, L. Kerber, F. A. Pretto, M. A. Fernandes, F. Ricardi-Branco, M. J. Wedel. 2022. The absence of an invasive air sac system in the earliest dinosaurs suggests multiple origins of vertebral pneumaticity. Scientific Reports. 12 (1):null.
