Echinocactus ceratistes Otto ex Pfeiff., Enum. Diagn. Cact.: 51. 1837 Echinocactus ceratistes Otto ex Pfeiff., Enum. Diagn. Cact.: 51. 1837is basionym for Eriosyce ceratistes (Otto ex Pfeiff.) Britton & Rose, Cactaceae 3: 186. 1922Taxon for this nameEchinocactus ceratistes Otto ex Pfeiff.