| Yacimiento | Formación | Comunidad autónoma |
|---|---|---|
| L22. Argillaceous limestones in the top of the Portilla Fm | Portilla | — |
| Veneros | Portilla | — |
| X13. 500 m S of Mirantes | Portilla | — |
| X17. just N of the village Matallana- Estación | Nocedo | — |
| Yacimiento | Formación | Comunidad autónoma |
|---|---|---|
| L22. Argillaceous limestones in the top of the Portilla Fm | Portilla | — |
| Veneros | Portilla | — |
| X13. 500 m S of Mirantes | Portilla | — |
| X17. just N of the village Matallana- Estación | Nocedo | — |