Leangella-Dicoelosia association: Aeronian, 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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8.2 %-specimens | |||||||||
| rugose coral | ||||||||||
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Anthozoa
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Tabulata indet.
(Milne-Edwards and Haime 1850)
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.7 %-specimens | |||||||||
| heliolitid coral | ||||||||||
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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2.4 %-specimens | |||||||||
| globular bryozoans | ||||||||||
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Stenolaemata
- Fenestrata
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Fenestrata indet.
(Elias and Condra 1957)
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18.9 %-specimens | |||||||||
| fenestrate bryozoans | ||||||||||
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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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Tentaculitida
- Tentaculitidae
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Tentaculites sp.
von Schlotheim 1820
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2.2 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Eoplectodonta duplicata
(de Sowerby and Murchison 1839)
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6.3 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Leptestiidae
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Leangella scissa
(Davidson 1871)
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31.4 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Leptostrophiidae
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Eostropheodonta sp.
Bancroft 1949
|
.7 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Furcitellidae
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Katastrophomena pen
(Reed 1917)
|
.6 %-specimens | |||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
|
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Leptaena haverfordensis
Bancroft 1949
|
.4 %-specimens | |||||||||
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Rhynchonellata
- Athyridida
- Meristellidae
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Cryptothyrella sp.
Cooper 1942
|
.6 %-specimens | |||||||||
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Rhynchonellata
- Atrypida
- Lissatrypidae
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? Meifodia sp.
|
2.2 %-specimens | |||||||||
| originally entered as "? Meifodia sp." | ||||||||||
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Rhynchonellata
- Orthida
- Dalmanellidae
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Isorthis sp.
Kozlowski 1929
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5.4 %-specimens | |||||||||
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Rhynchonellata
- Orthida
- Dicoelosiidae
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Dicoelosia osloensis
Wright 1968
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4.3 %-specimens | |||||||||
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Rhynchonellata
- Pentamerida
- Stricklandiidae
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Stricklandia lens
(Sowerby 1839)
|
.9 %-specimens | |||||||||
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Trilobita
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Trilobita indet.
Walch 1771
|
.7 %-specimens | |||||||||
| trilobites | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Norway |
| Coordinates: | 59.9° North, 10.8° East (view map) |
| Paleocoordinates: | 25.7° South, 8.8° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | basin |
Time
| Period: | Silurian | Epoch: | Llandovery |
| Stage: | Aeronian | 10 m.y. bin: | Silurian 1 | *Epoch: | Early/Lower Llandovery |
| Key time interval: | Aeronian | ||
| Age range of interval: | 440.8 - 438.5 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. 4 samples, 593 specimens, mean spp. diversity 15.8" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Taxonomic list comments:"Baarli, 1987" | |
Metadata
| Database number: | 505 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-12-17 17:15:22 | Last modified: | 2016-12-29 12:21:37 |
| Access level: | the public | Released: | 1998-12-17 17:15:22 |
| Creative Commons license: | CC BY |
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] |