Mammillaria petrophila K. Brandegee subsp. petrophila in Zoe 5: 193. 1904 sec. Hunt 2016
- =Neomammillaria petrophila (K. Brandegee) Britton & Rose, Cactaceae (Britton & Rose) 4: 73. 1923 syn. sec. Guzmán & al. 2003
- =Mammillaria gatesii M.E. Jones in Cact. Succ. J. (Los Angeles) 8: 99. 1937 syn. sec. Guzmán & al. 2003