Echinomastus warnockii (L.D. Benson) Glass & R.A. Foster in Cact. Succ. J. (Los Angeles) 47: 222. 1975 sec. Guzmán & al. 2003
- ≡Neolloydia warnockii L.D. Benson in Cact. Succ. J. (Los Angeles) 41: 186. 1969 syn. sec. Guzmán & al. 2003
- =Neolloydia gautii L.D. Benson in Cact. Succ. J. (Los Angeles) 46: 80. 1974 syn. sec. Hunt & al. 2006
- =Turbinicarpus gautii (L.D. Benson) A.D. Zimmerman in Bradleya 9: 91. 1991 syn. sec. Hunt & al. 2006
- =Echinomastus gautii (L.D. Benson) Mosco & Zanov. in Bradleya 15: 81. 1997 syn. sec. Hunt & al. 2006
- =Pediocactus gautii (L.D. Benson) Halda in Acta Mus. Richnov., Sect. Nat., 5: 19. 1998 syn. sec. Hunt & al. 2006
- =Pediocactus warnockii (L.D. Benson) Halda in Acta Mus. Richnov., Sect. Nat., 5: 26. 1998 syn. sec. Guzmán & al. 2003