Hirmuse Formation
Geology
Members: unnamed (17), Saku (1)
Lithologies: not reported (11), claystone (4), marl (5), "limestone" (2), "carbonate" (1)
Paleoenvironments: marine indet. (6), carbonate indet. (6), shallow subtidal indet. (5), open shallow subtidal (1)
Age range: Oandu or 452.80000 to 451.80000 Ma
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oandu | Russian Federation | (169034 169224) | |
| Oandu | Estonia (Kuusiku) | (37777) | |
| Oandu | Estonia (Harju) | (87280) | |
| Oandu | Estonia (Sibila) | (37805) | |
| Oandu | Estonia (Lääne-Viru) | (168637 169027 169030 197531 197532 197533 197552) | |
| Oandu | Estonia (Rookula) | (37773) | |
| Oandu | Estonia | (144640 168742 175514 197550) | |
| Katian | Estonia | (226719) |