Mammillaria tetrancistra Engelm. in Amer. J. Sci. Arts, ser. 2, 14: 337. 1852 sec. Hunt 2016
- =Mammillaria phellosperma Engelm. in Proc. Amer. Acad. Arts 3: 262. 1856 syn. sec. Guzmán & al. 2003
- =Cactus phellospermus (Engelm.) Kuntze, Rev. Gen. Pl. 1: 261. 1891 syn. sec. Guzmán & al. 2003
- =Cactus tetrancistrus (Engelm.) J.M. Coult. in Contr. U.S. Natl. Herb. 3: 104. 1894 syn. sec. Guzmán & al. 2003
- =Phellosperma tetrancistra (Engelm.) Britton & Rose, Cactaceae (Britton & Rose) 4: 60. 1923 syn. sec. Guzmán & al. 2003
- =Bartschella tetrancistra (Engelm.) Doweld in Sukkulenty 3: 38. 2000 syn. sec. Guzmán & al. 2003