Melocactus curvicornis Buining & Brederoo in Kakteen And. Sukk. 23: 33. 1972
Melocactus curvicornis in Kakteen And. Sukk. 23: 33. 1972
is basionym for Melocactus zehntneri var. curvicornis in Bradleya 6: 98. 1988
Melocactus curvicornis in Kakteen And. Sukk. 23: 33. 1972
Taxon for this name