PERILLI, NICOLA; DUARTE, LUIS VICTOR. TOARCIAN NANNOBIOHORIZONS FROM LUSITANIAN BASIN (PORTUGAL)AND THEIR CALIBRATION AGAINST AMMONITE ZONES. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , [S. l.], v. 112, n. 3, 2006. DOI: 10.13130/2039-4942/6350. Disponível em: https://riviste.unimi.it/index.php/RIPS/article/view/6350. Acesso em: 17 jun. 2025.