@article{kellner_2025,  title={A special issue on pterosaurs - the first vertebrates to develop active flight},  volume={97},  ISSN={0001-3765},  url={https://doi.org/10.1590/0001-37652025202597s1},  DOI={10.1590/0001-37652025202597s1},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={KELLNER, ALEXANDER W.A.},  year={2025},  pages={e202597s1} }