Coryphantha clavata (Scheidw.) Backeb. subsp. clavata in Cactaceae (Berlin) 1941: 61. 1942 sec. Hunt 2016
- =Mammillaria rhaphidacantha Lem., Cact. Gen. Sp. Nov.: 34. 1839 syn. sec. Guzmán & al. 2003
- =Coryphantha rhaphidacantha (Lem.) Lem., Cactées: 35. 1868 syn. sec. Guzmán & al. 2003
- =Mammillaria radicantissima Quehl in Monatsschr. Kakteenk. 22: 164. 1912 syn. sec. Guzmán & al. 2003
- =Neolloydia clavata (Scheidw.) Britton & Rose, Cactaceae (Britton & Rose) 4: 15. 1923 syn. sec. Guzmán & al. 2003
- =Coryphantha unicornis Boed. in Z. Sukkulentenk. 3: 205. 1928 syn. sec. Guzmán & al. 2003
- =Coryphantha clavata var. radicantissima (Quehl) Heinrich ex Backeb., Cactaceae (Backeberg) 5: 2995. 1961 syn. sec. Guzmán & al. 2003