HIGH RESOLUTION TRILOBITE BIOSTRATIGRAPHY FOR THE EARLY LATE TREMADOCIAN (Tr2) INTERVAL (EARLY ORDOVICIAN) SANTA ROSITA FORMATION, ARGENTINE CORDILLERA ORIENTAL. AMGH. 2018;55(5):531-553. Accessed January 15, 2026. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/3171