Glandulicactus uncinatus (Galeotti ex Pfeiff.) Backeb. in Beitr. Sukkulentenk. Sukkulentenpflege 1939: 34. 1939 sec. Hunt 2016
- =Echinocactus uncinatus Galeotti ex Pfeiff. in Abbild. Beschr. Cact. 2: t. 18. 1848 syn. sec. ???
- =Ferocactus uncinatus (Galeotti ex Pfeiff.) Britton & Rose, Cactaceae (Britton & Rose) 3: 146. 1922 syn. sec. ???