A review of the Tivertonia jachalensis-Streptorhynchus inaequiornatus Biozone in La Delfina Creek, San Juan Province, Argentina. Ameghiniana, [S. l.], v. 43, n. 2, p. 487–491, 2013. Disponível em: https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/772. Acesso em: 16 sep. 2025.