| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Thelocactus | bicolor | 138 |
| 2 | Thelocactus | rinconensis | 72 |
| 3 | Thelocactus | hexaedrophorus | 66 |
| 4 | Thelocactus | conothelos | 54 |
| 5 | Thelocactus | leucacanthus | 46 |
| 6 | Thelocactus | setispinus | 42 |
| 7 | Thelocactus | tulensis | 22 |
| 8 | Thelocactus | macdowellii | 10 |
| 9 | Thelocactus | hastifer | 4 |
| 10 | Thelocactus | buekii | 3 |
| 11 | Thelocactus | heterochromus | 3 |