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CCDB → Angiosperms → Cactaceae → Echinofossulocactus
| Taxon name | Status | Median (n) |
| Echinofossulocactus grandicornis (Lem.) Britton & Rose | Unresolved | 11 |
| Echinofossulocactus crispatus (DC.) Lawr. | Synonym of Stenocactus crispatus (DC.) A. Berger ex A. W. Hill | 11 |
| Echinofossulocactus pentacanthus (Lem.) Britton & Rose | Synonym of Stenocactus pentacanthus (Lem.) A. Berger ex A. W. Hill | 11 |