“Conodont Fauna of the Machari Formation (Middle and Upper Cambrian), Yeongweol Area, Gangweon Province, Korea”. Ameghiniana 46, no. 2 (August 8, 2009): 407–430. Accessed September 26, 2025. https://www.ameghiniana.org.ar/index.php/ameghiniana/article/view/61.