Echinocactus oxypterus Zucc. ex Pfeiff., Enum. Diagn. Cact.: 57. 1837
Echinocactus oxypterus, Enum. Diagn. Cact.: 57. 1837
is basionym for Echinofossulocactus oxypterus in Gard. Mag. (London) 17: 318. 1841
Echinocactus oxypterus, Enum. Diagn. Cact.: 57. 1837
Taxon for this name