Echinocactus sandillon Gay, Fl. Chil. 3: 14. 1848 Echinocactus sandillon Gay, Fl. Chil. 3: 14. 1848is basionym for Eriosyce sandillon (Gay) Phil. in Anales Univ. Chile 41: 721. 1872Taxon for this nameEchinocactus sandillon Gay, Fl. Chil. 3: 14. 1848