Thelocactus setispinus (Engelm.) E.F. Anderson in Bradleya 5: 59. 1987 sec. Hunt 2016
- ≡Echinocactus setispinus Engelm. in Boston J. Nat. Hist. 5: 246. 1845 syn. sec. Guzmán & al. 2003
- =Cactus bicolor Terán & Berland. in Mem. Comis. Limites (Teran & Berlandier): 4. 1832 syn. sec. Guzmán & al. 2003
- =Echinocactus muehlenpfordtii Fennel in Allg. Gartenzeitung 15: 65. 1847 syn. sec. Guzmán & al. 2003
- =Echinocactus hamatus Muehlenpf. in Allg. Gartenzeitung 16: 18. 1848 syn. sec. Guzmán & al. 2003
- =Echinocactus setispinus var. hamatus (Muehlenpf.) Engelm. in Boston J. Nat. Hist. 6: 201. 1850 syn. sec. Guzmán & al. 2003
- =Echinocactus setispinus var. setaceus Engelm. in Boston J. Nat. Hist. 6: 201. 1850 syn. sec. Guzmán & al. 2003
- =Echinocactus setispinus var. cachetianus Labour., Monogr. Cact.: 203. 1853 syn. sec. Guzmán & al. 2003
- =Echinocactus setispinus var. mierensis K. Schum., Gesamtbeschr. Kakt.: 340. 1898 syn. sec. Guzmán & al. 2003
- =Echinocactus setispinus var. orcuttii K. Schum., Gesamtbeschr. Kakt.: 340. 1898 syn. sec. Guzmán & al. 2003
- =Hamatocactus setispinus (Engelm.) Britton & Rose, Cactaceae (Britton & Rose) 3: 104. 1922 syn. sec. Guzmán & al. 2003
- =Hamatocactus bicolor (Terán & Berland.) I.M. Johnst. in Contr. Gray Herb., ser. 2, 70: 87. 1924 syn. sec. Guzmán & al. 2003
- =Hamatocactus setispinus var. hamatus (Muehlenpf.) Borg, Cacti (Borg): 218. 1937 syn. sec. Guzmán & al. 2003
- =Ferocactus setispinus (Engelm.) L.D. Benson in Cact. Succ. J. (Los Angeles) 41: 128. 1969 syn. sec. Guzmán & al. 2003
- =Thelocactus setispinus var. cachetianus (Labour.) Pilbeam, Thelocactus (Cactus File Handbook, 1): 42. 1996 syn. sec. Guzmán & al. 2003
- =Thelocactus setispinus var. hamatus (Muehlenpf.) Pilbeam, Thelocactus (Cactus File Handbook, 1): 42. 1996 syn. sec. Guzmán & al. 2003
- =Thelocactus setispinus var. mierensis (K. Schum.) Pilbeam, Thelocactus (Cactus File Handbook, 1): 42. 1996 syn. sec. Guzmán & al. 2003
- =Thelocactus setispinus var. muehlenpfordtii (Fennel) Pilbeam, Thelocactus (Cactus File Handbook, 1): 42. 1996 syn. sec. Guzmán & al. 2003
- =Thelocactus setispinus var. orcuttii (K. Schum.) Pilbeam, Thelocactus (Cactus File Handbook, 1): 42. 1996 syn. sec. Guzmán & al. 2003