Eurypterid-Associated Biota of the Basal Sundvollen Formation, Oslo Region: Rootsikula, Norway
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Petromyzontida
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Ateleaspis sp.
Traquair 1889
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Petromyzontida
- Cephalaspidiformes
- Ateleaspididae
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Hirella sp.
Cossmann 1920
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Eurypterida
- Mixopteridae
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Mixopterus sp.
Ruedemann 1921
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Eurypterida
- Pterygotidae
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Pterygotus sp.
Agassiz 1839
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Eurypterida
- Adelophthalmidae
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Nanahughmilleria sp.
(Kjellesvig-Waering 1961)
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Eurypterida
- Eurypteridae
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Baltoeurypterus tetragonophthalmus
(Fischer 1839)
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| see common names | |||||||
Geography
| Country: | Norway |
| Coordinates: | 59.9° North, 10.8° East (view map) |
| Paleocoordinates: | 16.9° South, 7.3° West |
| Basis of coordinate: | based on political unit |
| Geographic resolution: | local area |
Time
| Period: | Silurian | Epoch: | Wenlock |
| Stage: | Homerian | 10 m.y. bin: | Silurian 2 | *Epoch: | Late/Upper Wenlock |
| Key time interval: | Rootsikula | Graptolite zone: | Colonograptus ludensis |
| Age range of interval: | 429.2 - 427.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Sundvollen | ||||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: "Basal Sundvollen Formation. Late Wenlockian." PJW: base of formation is thought to be Colonograptus ludensis graptolite zone (Nakrem & Rasmussen 2013). | |||||
Lithology and environment
| Primary lithology: | gray "shale" |
| Lithology description: "Dark-gray shale." | |
| Environment: | marginal marine indet. |
| Geology comments: "overlying red bed contains ripple marks, mud cracks, and trails. Nonmarine, showing transition from marine conditions below" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 26927 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2002-11-08 10:18:04 | Last modified: | 2018-07-19 13:28:13 |
| Access level: | the public | Released: | 2002-11-08 10:18:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 4261. | R. E. Plotnick. 1999. Habitat of Llandoverian-Lochkovian eurypterids. In A. J. Boucot, J. D. Lawson (eds.), Paleocommunities - a case study from the Silurian and Lower Devonian 106-136 [M. Foote/M. Foote/P. Wagner] |