Ptilodictya lanceolata Community, Steinsfjorden Fm. at Langoya: Sheinwoodian, Norway
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Rugosa
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Rugosa indet.
Milne-Edwards and Haime 1850
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| solitary | ||||||||||
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Anthozoa
- Favositida
- Favositidae
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Favosites forbesi
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Anthozoa
- Auloporida
- Auloporidae
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Aulopora sp.
Goldfuss 1829
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| sp. B | ||||||||||
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Aulopora repens
(Knorr and Walch 1775)
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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| bryozoan sp. E (encruster) | ||||||||||
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Bryozoa indet.
Ehrenberg 1831
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| bryozoan sp. B | ||||||||||
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Stenolaemata
- Cryptostomata
- Ptilodictyidae
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Ptilodictya lanceolata
(Goldfuss 1829)
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| see common names | ||||||||||
Geography
| Country: | Norway |
| Coordinates: | 68.8° North, 15.0° East (view map) |
| Paleocoordinates: | 12.2° South, 9.5° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Silurian | Epoch: | Wenlock |
| Stage: | Sheinwoodian | 10 m.y. bin: | Silurian 2 |
| *International age/stage: | Late/Upper Sheinwoodian - Early/Lower Homerian | ||
| 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: Middle part of formation with age probably near Sheinwoodian/Homerian transition. | |||||
Lithology and environment
| Primary lithology: | hardground "carbonate" |
| Includes fossils? | Y |
| Lithology description: "...community developed on smooth carbonate hardgrounds." | |
| Environment: | marine indet. |
| Geology comments: "..biota low, encrusting, with large holdfasts and flexible joints, or low domical to minimize resistance. Probably energy level high. Sediments above and below indicate shallow conditions near intertidal in BA 2." | |
Taphonomy
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | paleoecologic analysis |
| Collection method comments: Table 22.14 includes specimen counts. | |
| Taxonomic list comments:Some taxa are not listed to the genus level. | |
Metadata
| Database number: | 14313 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-05-30 18:57:46 | Last modified: | 2006-09-15 15:14:05 |
| Access level: | the public | Released: | 2002-05-30 18:57:46 |
| 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] |