PNSO FIELD GUIDE TO THE ANCIENT WORLD: THE AGE OF PTEROSAURS. Yang, Y., & Zhao, C. 2021. 106 pp. Brown Books Publishing Group. ISBN(10): 1612545297 and ISBN(13): 9781612545295. AMGH. 2022;59(3):221-223. Accessed January 1, 2026. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/3510