Del Valle, Ignacio, Gabriel de La Fuente, and Manuel Fondevila. “Ciliate Protozoa of the Forestomach of Llamas (Lama glama) and Alpacas (Vicugna pacos) from the Bolivian Altiplano”. Zootaxa 1703, no. 1 (February 13, 2008): 62–68. Accessed May 3, 2025. https://www.mapress.com/zt/article/view/zootaxa.1703.1.4.