PERILLI N, JOSÉ COMAS-RENGIFO M, GOY A. CALIBRATION OF THE PLIENSBACHIAN-TOARCIAN CALCAREOUS NANNOFOSSIL ZONE BOUNDARIES BASED ON AMMONITES (BASQUE-CANTABRIAN AREA, SPAIN). RIPS [Internet]. 2004 Mar. 31 [cited 2025 Jan. 20];110(1). Available from: https://riviste.unimi.it/index.php/RIPS/article/view/6271