Thelocactus conothelos (Regel & Klein) F.M. Knuth, Kaktus-ABC: 358. 1936 sec. Guzmán & al. 2003
- ≡Echinocactus conothelos Regel & Klein, Index Seminum (San Petersburg): 48. 1860 syn. sec. Guzmán & al. 2003
- =Thelocactus conothelos subsp. sniceri Halda & Sladk. in Acta Mus. Richnov., Sect. Nat., 7(1): 38. 2000 syn. sec. ???