Lower Arenig Limestone composite, Lake Siljan region, Sweden: Arenig, Sweden
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Endocerida
- Endoceratidae
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? Endoceras sp.
Hall 1847
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| originally entered as "Endoceras? sp." | ||||||||||
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Lingulata
- Lingulida
- Obolidae
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Obolus sp.
Eichwald 1829
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Rhynchonellata
- Orthida
- Lycophoriidae
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Lycophoria sp.
Lahusen 1885
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Rhynchonellata
- Orthida
- Eoorthidae
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? Apheoorthis sp.
Ulrich and Cooper 1936
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| originally entered as "Apheoorthis? sp." | ||||||||||
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Rhynchonellata
- Orthida
- Plectorthidae
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? Nanorthis sp.
Ulrich and Cooper 1936
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| originally entered as "Nanorthis? sp." | ||||||||||
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Trilobita
- Corynexochida
- Styginidae
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Raymondaspis sp.
Pribyl 1948
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Trilobita
- Olenida
- Eulomidae
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Euloma sp.
Angelin 1854
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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
- Asaphida
- Asaphidae
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Plesiomegalaspis sp.
(Thoral 1946)
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| reassigned as Kayseraspis (Plesiomegalaspis) | ||||||||||
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Promegalaspides sp.
Westergård 1939
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Megalaspides sp.
Brögger 1886
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Megistaspis sp.
Jaanusson 1956
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Hunnebergia sp.
Tjernvik 1956
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Niobe sp.
Angelin 1851
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Niobella sp.
Reed 1931
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| spelled with current rank as Niobe (Niobella) | ||||||||||
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Lapidaria sp.
Tjernvik 1956
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Trilobita
- Asaphida
- Nileidae
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Varvia sp.
Tjernvik 1956
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Nileus sp.
Dalman 1827
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Symphysurus sp.
Goldfuss 1843
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Trilobita
- Asaphida
- Cyclopygidae
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Cyclopyge sp.
Hawle and Corda 1847
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Trilobita
- Ptychopariida
- Shumardiidae
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Shumardia sp.
Billings 1862
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Agnostida
- Metagnostidae
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Geragnostus sp.
Howell 1935
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| see common names | ||||||||||
Geography
| Country: | Sweden |
| Coordinates: | 61.0° North, 15.0° East (view map) |
| Paleocoordinates: | 36.1° South, 9.8° West |
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2 | ||
| *Period: | Early/Lower Ordovician - Middle Ordovician | *Epoch: | Early/Lower Arenig |
| Key time interval: | Arenig | ||
| Age range of interval: | 477.70000 - 468.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | glauconitic lithified "limestone" |
| Environment: | offshore shelf |
| Geology comments: Variegated limestone with glauconite | |
Taphonomy
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 3198 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 1999-07-27 14:56:14 | Last modified: | 2003-07-18 18:01:39 |
| Access level: | the public | Released: | 2000-11-20 13:53:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 111. | T. E. Tjernvik. 1956. On the Early Ordovician of Sweden stratigraphy and fauna. Bulletin of the Geological Institutions of the University of Uppsala 36(6):109-284 [A. Miller/P. Novack-Gottshall/A. Clement] |