NOTA SOBRE LA VALIDEZ DE FISSIRHYNCHIA PEARSON, 1977 (BRACHIOPODA, RHYNCHONELLIDA). AMGH [Internet]. 2013 Sep. 7 [cited 2026 Jan. 9];17(4):335-58. Available from: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/1651