Carrillo-Briceño JD. PRESENCE OF PTYCHODUS MORTINI (ELASMOBRANCHII: PTYCHODONTIDAE) IN THE UPPER CRETACEOUS OF VENEZUELA. Rev. Geol. Amér. Central [Internet]. 2011Apr.2 [cited 2024Sep.18];46. Available from: https://revistas.ucr.ac.cr/index.php/geologica/article/view/1837