| Valid |
| Chthonius gracilimanus Mahnert, 1997 |
| D02391 - Zaragoza, J. A. |
| Location | Cueva de los Palmeros (Fuencaliente) |
| Situation | El Hierro |
| Year | 2000 |
| Presence | Yes |
| Beaching | Do not |
| Trust | Seguro |
| Precision | 1 |
| Location | Cueva del Llano de Los Caños (completa) |
| Situation | El Hierro |
| Year | 2000 |
| Presence | Yes |
| Beaching | Do not |
| Trust | Seguro |
| Precision | 1 |