Eoplectodonta-Isorthis association, Solvik Fm., Oslo: Llandovery, Norway
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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4.6 %-specimens | |||||||||
| 2 species, globular (2.6%) and encrusting (2.0%) | ||||||||||
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Stenolaemata
- Trepostomata
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? Trepostomata indet.
Ulrich 1882
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8.5 %-specimens | |||||||||
| ramose bryozoans - originally entered as "? Trepostomata indet." | ||||||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Eoplectodonta sp.
Kozlowski 1929
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10.8 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Leptestiidae
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Leangella scissa
(Davidson 1871)
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17.3 %-specimens | |||||||||
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Rhynchonellata
- Pentamerida
- Clorindidae
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| 1.9 %-specimens | ||||||||||
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Rhynchonellata
- Atrypida
- Septatrypidae
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| 0.7 %-specimens | ||||||||||
| originally entered as "Ideospira sp." | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypinidae
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| 4.9 %-specimens | ||||||||||
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Rhynchonellata
- Orthida
- Draboviidae
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| 1.3 %-specimens | ||||||||||
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Rhynchonellata
- Orthida
- Harknessellidae
|
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Reuschella sp.
Bancroft 1928
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1.3 %-specimens | |||||||||
| originally entered as "Reuchella sp." | ||||||||||
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Rhynchonellata
- Orthida
- Dalmanellidae
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| 13.1 %-specimens | ||||||||||
| 1.1 %-specimens | ||||||||||
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Rhynchonellata
- Orthida
- Dicoelosiidae
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| 1.1 %-specimens | ||||||||||
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Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis sp.
Schuchert and Cooper 1931
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5.7 %-specimens | |||||||||
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Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides sp.
Schuchert and Cooper 1931
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1.2 %-specimens | |||||||||
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Trilobita
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Trilobita indet.
Walch 1771
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1.4 %-specimens | |||||||||
| trilobites | ||||||||||
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Anthozoa
- Rugosa
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Rugosa indet.
Milne-Edwards and Haime 1850
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12.0 %-specimens | |||||||||
| rugose corals | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Norway |
| Coordinates: | 59.9° North, 10.8° East (view map) |
| Paleocoordinates: | 18.0° South, 59.0° West (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Silurian | Epoch: | Llandovery |
| 10 m.y. bin: | Silurian 1 | *Epoch: | Early/Lower Llandovery |
| Key time interval: | Llandovery | ||
| Age range of interval: | 443.8 - 433.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Primary lithology: | "shale" |
| Environment: | marine indet. |
| Geology comments: "sh and mudstone, open shelf env. BA5. Clorinda-Dicoelosia ecogroup, 14 samples, 1490 specimens, mean diversity= 16.3 spp." | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:"B.G. Baarli, 1987. Benthic faunal assoc. in the lower Sil. Solvik Fm., of the Oslo-Asker Dist., Norway. Lethaia 20:75-90" | |
Metadata
| Database number: | 502 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-12-17 16:41:35 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 1998-12-17 16:41:35 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 6160. | B. G. Baarli. 1987. Benthic faunal associations in the Lower Silurian Solvik Formation of the Oslo-Asker Districts, Norway. Lethaia 20:75-90 [M. Foote/M. Foote/J. Ju] |