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Tofta Beds, Gotland County, Sweden
| Formation | Tofta Beds |
|---|---|
| Age: | 433 - 431 Ma Silurian |
| Interval | Sheinwoodian |
| Tectonic Setting | Cratonic basin |
| Lithology | limestone/"reef rocks" |
| Number of Collections | 1 |
| Number of Occurrences | 4 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Hogklint Beds Brachiopods | Gotland County, Sweden | Tofta Beds |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Eke Beds | 426 - 423 Ma Silurian | limestone/marl | 149 |
| Halla Beds | 431 - 427 Ma Silurian | limestone, "limestone"/"reef rocks" | 146 |
| Hamra Beds | 426 - 423 Ma Silurian | limestone, "limestone"/marl, "limestone"/"reef rocks" | 90 |
| Hemse Beds | 426 - 423 Ma Silurian | carbonate, "limestone", marl/"limestone", marl, "reef rocks"/"limestone", "carbonate"/marl, "limestone"/marl | 204 |
| Hogklint | 433 - 427 Ma Silurian | marl/"limestone", "limestone", "reef rocks", "limestone"/marl | 67 |
| Hogklint - Unit A | 433 - 431 Ma Silurian | limestone, marl/"limestone" | 29 |
| Hogklint - Unit B | 433 - 431 Ma Silurian | marl/"limestone" | 7 |
| Hogklint - Unit C | 433 - 431 Ma Silurian | marl/"limestone" | 1 |
| Hogklint Beds | 433 - 431 Ma Silurian | grainstone/packstone, marl/"limestone", "limestone"/marl | 50 |
| Klinteberg Beds | 427 - 426 Ma Silurian | limestone, marl, "limestone"/"reef rocks", "limestone"/marl | 139 |
| Klinteberg Beds - Beds L-M | 431 - 427 Ma Silurian | marl | 4 |
| Klinteberg Beds - Lower | 431 - 427 Ma Silurian | marl | 1 |
| Klinteberg Beds - Marl | 427 - 426 Ma Silurian | marl | 2 |
| Klinteberg Beds - Upper | 431 - 426 Ma Silurian | marl | 1 |
| Mulde - lower part | 431 - 427 Ma Silurian | lime mudstone/marl | 15 |
| Mulde Beds | 431 - 427 Ma Silurian | lime mudstone/marl | 43 |
| Mulde Beds - Lower Part | 431 - 427 Ma Silurian | lime mudstone/marl | 3 |
| Mulde Beds - Upper Part | 431 - 427 Ma Silurian | lime mudstone/marl | 2 |
| Sundre Beds | 426 - 423 Ma Silurian | reef rocks/grainstone, grainstone/"reef rocks" | 59 |
| Hogklint Beds | 433 - 431 Ma Silurian | grainstone/"reef rocks", grainstone/packstone | 198 |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Atrypa reticularisspecies | Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Atrypa : Atrypa reticularis | 433.4 - 430.5 Ma Silurian |
| Spinatrypa sp. genus | Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Spinatrypa | 433.4 - 430.5 Ma Silurian |
| Anastrophia deflexa species | Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Parastrophinidae : Anastrophia : Anastrophia deflexa | 433.4 - 430.5 Ma Silurian |
| Cyrtia exporrectus species | Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Cyrtiidae : Cyrtia : Cyrtia exporrectus | 433.4 - 430.5 Ma Silurian |
References
| Bassett M. G., Cocks L. R. M. (1974) A review of Silurian brachiopods from Gotland, Fossils and Strata 3, 1-56 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
