Protochonetes ludloviensis-Microsphaeridiorhynchus nucula Comm., Steinsfjorden F: Sheinwoodian, Norway
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Favositida
- Favositidae
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Favosites sp.
Lamarck 1816
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Stromatoporoidea
- Stromatoporoidea
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Stromatoporoidea indet.
Nicholson and Murie 1878
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Stenolaemata
- Trepostomida
- Amplexoporidae
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Amplexopora sp.
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Rhynchonellata
- Spiriferida
- Delthyrididae
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Howellella aff. angustiplicata
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Microsphaeridiorhynchus nucula
(Sowerby 1839)
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Strophomenata
- Strophomenida
- Strophochonetidae
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Protochonetes ludloviensis
Muir-Wood 1962
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Bivalvia
- Ostreida
- Pterineidae
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Pteronitella retroflexa
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Cephalopoda
- Actinocerida
- Armenoceratidae
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Armenoceras sp.
Foerste 1924
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Ostracoda
- Leperditicopida
- Leperditiidae
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Leperditia baltica
Hisinger 1831
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| see common names | |||||||
Geography
| Country: | Norway |
| Coordinates: | 60.2° North, 10.3° East (view map) |
| Paleocoordinates: | 21.0° South, 8.1° West |
| Basis of coordinate: | based on political unit |
| Geographic resolution: | local area |
Time
| Period: | Silurian | Epoch: | Wenlock |
| Stage: | Sheinwoodian | 10 m.y. bin: | Silurian 2 |
| *International age/stage: | Late/Upper Sheinwoodian | ||
| Key time interval: | Sheinwoodian | ||
| Age range of interval: | 433.40000 - 430.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Steinsfjorden | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Latest part of Sheinwoodian. Brattstad Member at Brattstad and elsewhere in Ringerike, and Fleskum Member, Asker District | |||||
Lithology and environment
| Primary lithology: | dolomitic "limestone" |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Lithology description: "...massive, 'lumpy', dolomitic limestone with thin shale flasers." | |
| Environment: | marine indet. |
| Geology comments: "STrong bioturbation...prevented formation of primary sed. structures. Many aragonitic shells replaced with celestite...Shallow subtidal in an evaporitic environment, about BA 2." | |
Taphonomy
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:Some taxa are not listed to the genus level. | |
Metadata
| Database number: | 14312 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-05-30 18:51:51 | Last modified: | 2006-09-15 15:14:05 |
| Access level: | the public | Released: | 2002-05-30 18:51:51 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6308. | B. G. Baarli, H. B. Keilen, and M. E. Johnson. 1999. Silurian communities of the Oslo Region, Norway. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 327-349 [M. Foote/M. Foote/P. Wagner] |