Lerkaka (Folkeslunda Limestone): Lasnamagi, Sweden
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Bellerophontida
- Sinuitidae
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Sinuites vetustus
Koken 1897
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Koken and Perner 1925 | |||||||||
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Gastropoda
- Euomphalina
- Lesueurillidae
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Raphistoma vaginati
Koken and Perner 1925
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Koken and Perner 1925 | |||||||||
| recombined as Pararaphistoma vaginati | ||||||||||
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Eccyliopterus alatus
(Roemer 1876)
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Koken and Perner 1925 | |||||||||
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Lesueurilla declivis
(Remelé 1888)
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Koken and Perner 1925 | |||||||||
| recombined as Eccyliopterus declivis | ||||||||||
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Cephalopoda
- Ellesmerocerida
- Phthanoncoceratidae
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Phtanoncoceras ellipticum
(Lossen 1860)
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Kröger and Mutvei 2005 | 1 specimen | ||||||||
| recombined as Phthanoncoceras ellipticum | ||||||||||
| NRM–PZ Mo 160695 | ||||||||||
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Cephalopoda
- Oncocerida
- Oncoceratidae
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Richardsonoceras gerhardi
Kröger et al. 2009
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1 specimen | |||||||||
| NRM-PZ Mo 14114 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Sweden | State/province: | Kalmar | County: | Borgholm |
| Coordinates: | 56.7° North, 16.7° East (view map) | ||||
| Paleocoordinates: | 37.4° South, 7.3° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
| Key time interval: | Lasnamagi | ||
| Age range of interval: | 460.40000 - 458.90000 m.y. ago |
Stratigraphy
| Formation: | Folkeslunda Limestone | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: "Folkeslunda Limestone, Lasnamägi Regional Stage" (Kröger et al., 2009) | |||||
Lithology and environment
| Primary lithology: | phosphatic "limestone" | ||
| Includes fossils? | Y | ||
| Lithology description: informations on lithologty are from Mutvei (2002, Acta Palaeont. Polon. 47(1)) | |||
| Environment: | shallow subtidal indet. | Tectonic setting: | cratonic basin |
Taphonomy
| Modes of preservation: | body,replaced with phosphate |
| Size of fossils: | macrofossils |
| Temporal resolution: | time-averaged |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection excludes: | some macrofossils,difficult macrofossils |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:"On Öland not only are nautiloid shells well preserved but also receptaculitid skeletons (Nitecki et al. 1999) and other fossils with aragonitic skeletons." (Mutvei 2002, Acta Palaeont. Polon. 47(1)) | |
Metadata
| Also known as: | Öland, Oland | ||
| Database number: | 89255 | ||
| Authorizer: | B. Kröger, P. Wagner | Enterer: | T. Liebrecht, B. Kröger, P. Wagner |
| Modifier: | T. Liebrecht | Research group: | marine invertebrate |
| Created: | 2009-05-12 12:21:48 | Last modified: | 2009-05-12 15:22:46 |
| Access level: | the public | Released: | 2009-05-12 12:21:48 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 29939. | B. Kröger, Y. Zhang, and M. Isakar. 2009. Discosorids and Oncocerids (Cephalopoda) of the Middle Ordovician Kunda and Aseri Regional Stages of Baltoscandia and the early evolution of these groups. Geobios 42:273-293 [B. Kröger/T. Liebrecht/B. Kröger] |
Secondary references:
| 11503 | E. Koken and J. Perner. 1925. Die Gastropoden des baltischen Untersilurs 1-324 [P. Wagner/P. Wagner/P. Wagner] | |
| 30161 | B. Kröger and H. Mutvei. 2005. Nautiloids with multiple paired muscle scars from Lower–Middle Ordovician of Baltoscandia. Palaeontology 48(4):781-791 [B. Kröger/B. Kröger] |