«A WELL PRESERVED SKELETON OF THE FOSSIL SHARK COSMOPOLITODUS HASTALIS FROM THE LATE MIOCENE OF PERU, FEATURING FISH REMAINS AS FOSSILIZED STOMACH CONTENTS». Rivista italiana di Paleontologia e Stratigrafia 123, no. 1 (gennaio 18, 2017). Consultato luglio 27, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/8005.