Ferocactus hamatacanthus subsp. sinuatus (A. Dietr.) N.P. Taylor in Cactaceae Consensus Init. 5: 13. 1998 sec. Hunt 2016
- ≡Echinocactus sinuatus A. Dietr. in Allg. Gartenzeitung 19: 345. 1851 syn. sec. Guzmán & al. 2003
- =Hamatocactus sinuatus (A. Dietr.) Orcutt, Cactography 6. 1926 syn. sec. Guzmán & al. 2003
- =Hamatocactus hamatacanthus var. sinuatus (A. Dietr.) Y. Itô, Cacti (Tokio): 99. 1952 syn. sec. Guzmán & al. 2003
- =Ferocactus hamatacanthus var. sinuatus (A. Dietr.) L.D. Benson in Cact. Succ. J. (Los Angeles) 41: 128. 1969 syn. sec. Guzmán & al. 2003
- =Bisnaga hamatacantha subsp. sinuata (A. Dietr.) Doweld, Sukkulenty 2: 28, 1999 syn. sec. Guzmán & al. 2003
- =Hamatocactus hamatacanthus subsp. sinuatus (A. Dietr.) Lodé in Cact.-Avent. Int. 98(Suppl.): 5. 2013 syn. sec. Guzmán & al. 2003