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First record of Malayaspira Kobayashi, 1958 (Mollusca, Gastropoda) in the lower Ordovician San Juan Formation, Argentine Precordillera. AMGH [Internet]. 2009 Sep. 26 [cited 2025 Oct. 19];46(3):567-71. Available from: https://ameghiniana.org.ar/index.php/ameghiniana/article/view/90