Letna Formation
Geology
Members: unnamed (9)
Lithologies: "shale" (3), siltstone (1), sandstone (5)
Paleoenvironments: marine indet. (4), shoreface (2), transition zone/lower shoreface (3)
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Letna - Harnagian | Czechia | (3861 3862) | |
| Berounian - Harnagian | Czechia | (155058 173553 233135) | |
| Berounian - Harnagian | Czechia (Beroun) | (238339) | |
| Berounian | Czechia (Praha) | (167387) | |
| Berounian | Czechia | (155175 193003 197259) |