Mammillaria schelhasii var. triuncinata Salm-Dyck, Cact. Hort. Dyck., ed. 1849: 81. 1850
Mammillaria schelhasii var. triuncinata, Cact. Hort. Dyck., ed. 1849: 81. 1850
is basionym for Mammillaria schelhasii f. triuncinata, Handb. Kakteenkult.: 252. 1907