Seby Limestone Assemblage: Lasnamagi, Sweden
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pterobranchia
- Graptoloidea
- Retiolitidae
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Glyptograptus sp.
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Pterobranchia
- Graptoloidea
- Climacograptidae
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Pseudoclimacograptus sp.
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Climacograptus sp.
Hall 1865
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Pterobranchia
- Graptoloidea
- Abrograptidae
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Abrograptus sp.
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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Rhombifera
- Echinosphaeritidae
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Echinosphaerites sp.
Wahlenberg 1818
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Cephalopoda
- Clinoceratidae
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Clinoceras sp.
Mascke 1876
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Cephalopoda
- Tarphycerida
- Trocholitidae
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Trocholites sp.
Conrad 1838
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Cephalopoda
- Lituitida
- Sinoceratidae
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Rhynchorthoceras sp.
Remelé 1882
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Cephalopoda
- Lituitida
- Lituitidae
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Lituites sp.
Bertrand 1763
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Cephalopoda
- Protobactritidae
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Protobactrites sp.
Hyatt 1900
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Cephalopoda
- Orthocerida
- Baltoceratidae
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Cochlioceras sp.
Eichwald 1860
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Bactroceras sp.
Holm 1898
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= Bactroceras avus
Holm 1898
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Evans 2005 | |||||||||
| 1 specimen (syntype) no repository data given | ||||||||||
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Hyolithida
- Hyolithidae
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Hyolithes sp.
d'Eichwald 1840
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Trilobita
- Asaphida
- Remopleurididae
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Remopleurides sp.
Portlock 1843
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Trilobita
- Asaphida
- Asaphidae
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? Pseudobasilicus sp.
Reed 1930
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| originally entered as "Pseudobasilicus? sp." | ||||||||||
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Pseudoasaphus sp.
Schmidt 1901
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Trilobita
- Asaphida
- Nileidae
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Nileus sp.
Dalman 1827
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Trilobita
- Trinucleida
- Raphiophoridae
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Ampyx sp.
(Dalman 1827)
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| original and current combination Asaphus (Ampyx) | ||||||||||
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Trilobita
- Corynexochida
- Illaenidae
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Illaenus sp.
Dalman 1827
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Ostracoda
- Hollinocopida
- Tetradellidae
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Tallinnella sp.
Opik 1937
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Ostracoda
- Hollinocopida
- Tvaerenellidae
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Euprimites sp.
Hessland 1949
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Ostracoda
- Beyrichicopida
- Ctenonotellidae
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Steusloffia sp.
Ulrich and Bassler 1908
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| see common names | ||||||||||
Geography
| Country: | Sweden |
| Coordinates: | 57.0° North, 17.0° East (view map) |
| Paleocoordinates: | 37.1° South, 7.1° West |
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 | *Epoch: | Late/Upper Llanvirn |
| Key time interval: | Lasnamagi | Graptolite zone: | Pseudoamplexograptus distichus |
| Age range of interval: | 460.40000 - 458.90000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Seby Limestone | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Laufeldochitina striata chitinozoan zone & Pygodus serra conodont zone.
Was entered as Late/Upper Llanvirn | |||||
Lithology and environment
| Primary lithology: | red or brown lithified argillaceous,calcareous "limestone" |
| Secondary lithology: | sandstone |
| Environment: | deep subtidal shelf |
| Geology comments: Variegated red/brown and grey argillaceous limestone and fine, grey calcarenite | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Also known as: | Seby Limestone Assemblage, Oland, Sweden | ||
| Database number: | 2933 | ||
| Authorizer: | A. Miller, B. Kröger | Enterer: | P. Novack-Gottshall, T. Liebrecht |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1999-07-22 14:24:32 | Last modified: | 2015-04-25 14:51:47 |
| Access level: | the public | Released: | 1999-07-22 14:24:32 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 104. | V. Jaanusson. 1960. The Viruan (Middle Ordovician) of Oland. Bulletin of the Geological Institutions of the University of Uppsala 38:207-287 [A. Miller/P. Novack-Gottshall/A. Clement] |
Secondary references:
| 29341 | D. H. Evans. 2005. The Lower and Middle Ordovician cephalopod faunas of England and Wales. Monograph of the Palaeontographical Society 623:1-81 [B. Kröger/B. Kröger/B. Kröger] |