Mammillaria grahamii subsp. sheldonii (Britton & Rose) D.R. Hunt in Cactaceae Syst. Init. 20: 21. 2005 sec. Hunt 2016
- =Neomammillaria sheldonii Britton & Rose, Cactaceae (Britton & Rose) 4: 156. 1923 syn. sec. ???
- =Neomammillaria swinglei Britton & Rose, Cactaceae (Britton & Rose) 4: 158. 1923 syn. sec. ???
- =Chilita sheldonii (Britton & Rose) Orcutt, Cactography 2. 1926 syn. sec. ???
- =Chilita swinglei (Britton & Rose) Orcutt, Cactography 2. 1926 syn. sec. ???
- =Mammillaria sheldonii (Britton & Rose) Boed., Mammillaria-Vergl.-Schluss.: 30. 1933 syn. sec. Hunt 2016
- =Mammillaria swinglei (Britton & Rose) Boed., Mammillaria-Vergl.-Schluss.: 33. 1933 syn. sec. Hunt 2016
- =Mammillaria inaiae R.T. Craig in Cact. Succ. J. (Los Angeles) 10: 111. 1939 syn. sec. ???
- =Mammillaria gueldemanniana Backeb. in Beitr. Sukkulentenk. Sukkulentenpflege 1941: 57. 1941 syn. sec. ???
- =Mammillaria alamensis R.T. Craig, Mammillaria Handb.: 299. 1945 syn. sec. Hunt 2016
- =Mammillaria guirocobensis R.T. Craig, Mammillaria Handb.: 220. 1945 syn. sec. Hunt 2016
- =Mammillaria milleri f. gueldemanniana (Backeb.) Neutel. in Succulenta (Netherlands) 65: 119. 1986 syn. sec. ???
- =Mammillaria milleri f. swinglei (Britton & Rose) Neutel. in Succulenta (Netherlands) 65: 119. 1986 syn. sec. ???
- =Mammillaria milleri var. sheldonii (Britton & Rose) Neutel. in Succulenta (Netherlands) 65: 119. 1986 syn. sec. ???
- =Mammillaria milleri var. swinglei (Britton & Rose) Neutel. in Succulenta (Netherlands) 65: 119. 1986 syn. sec. ???
- =Mammillaria swinglei var. diabloa P.C. Fisch. in Cact. Succ. J. (Los Angeles) 64: 245-246. 1992 syn. sec. ???
- =Cochemiea swinglei (Britton & Rose) Doweld in Sukkulenty 3: 38. 2000 syn. sec. ???