Thelocactus bicolor (Galeotti ex Pfeiff.) Britton & Rose species accepted

Thelocactus buekii (E. Klein bis) Britton & Rose species accepted

Thelocactus conothelos (Regel & E. Klein bis) F. M. Knuth species accepted

Thelocactus hastifer (Werderm. & Boed.) F. M. Knuth species accepted

Thelocactus hexaedrophorus (Lem.) Britton & Rose species accepted

Thelocactus × mirandus Halda & Panar. species accepted

Thelocactus lausseri Ríha & Busek species accepted

Thelocactus leucacanthus (Zucc. ex Pfeiff.) Britton & Rose species accepted

Thelocactus rinconensis (Poselg.) Britton & Rose species accepted

Thelocactus macdowellii (Rebut ex Quehl) W. T. Marshall species accepted

Thelocactus tepelmemensis T. J. Davis, H. M. Hern., G. D. Starr & Gómez-Hin. species accepted

Thelocactus setispinus (Engelm.) E. F. Anderson species accepted

Thelocactus tulensis (Poselg.) Britton & Rose species accepted