Solvik Formation
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| Solvik Formation | |
|---|---|
| Stratigraphic range: Early Llandovery (Silurian)[1] | |
| Type | Geological formation |
| Sub-units | |
| Location | |
| Country |  Norway |
The Solvik Formation is a geologic formation in the central Oslo Region of Norway.[1] It preserves fossils dating back to the early Silurian period.[1]
Fossil content
[edit]| Brachiopods | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| ?Anabaria | Leangen Member.[2] | 2 valves.[2] | |||
| Atrypina | Leangen Member.[2] | 2 shells.[2] | |||
| ?Becscia | ?B. pentagona | Basal Myren Member.[2] | |||
| Clintonella | C. aprinis | "32.5 m above the base of the Leangen Member".[2] | Molds.[2] | ||
| Cryptothyrella | Top of the Leangen Member at Jongsåsveien.[2] | A pedicle valve.[2] | |||
| Eisaella | E. minuta | Upper Myren Member and Leangen Member.[2] | |||
| E. uniplicata | "From basal Myren Member up to 55 m above the base".[2] | ||||
| ?Glassia | ?G. sp. | "Only one well-preserved specimen (PMO 87.601)".[2] | |||
| Hindella | H. kiaeri | * 3–4 meters above the base of the formation at one locality at Bekkestua, in Bærum.[2]
| Also occurs in the Langara Formation. | ||
| Meifodia | M. prima ovalis | "Uppermost Myren and the lower parts of Padda members".[2] | |||
| M. prima prima | Near the base of the formation.[2] | A atrypid. | |||
| M. subundata | Middle part of the formation.[3] | A atrypid. | |||
| Thulatrypa | T. gregaria | Uppermost Leangen Member.[2] | |||
| T. huangi | Leangen Member.[2] | ||||
| T. vikenensis | "8–10 m above the base of the Myren Member".[2] | ||||
| ?T. sp. | Leangbukta and Skytterveien.[2] | "PMO 113.698 (brachial mold), 153.873 (sectioned), 158.222, and 158.610, all whole valves".[2] | A new species, may be assigned to another genus if more material becomes available. | ||
| Shelvothyris | S. bivittata | 11 meters above the base of the Leangen Member.[2] | |||
See also
[edit]
References
[edit]- ^ a b c d e f g Baarli, B. Gudveig. "The stratigraphy and sedimentology of the early Llandovery Solvik Formation in the central Oslo Region, Norway". Norsk Geologisk Tidsskrift.
- ^ a b c d e f g h i j k l m n o p q r s t u v Baarli, B. Gudveig (2021-08-16). "The smooth, spire-bearing brachiopods after the terminal Ordovician extinction through lower Llandovery in the central Oslo region, Norway". Journal of Paleontology. 96 (1): 81–111. doi:10.1017/jpa.2021.72. ISSN 0022-3360.
- ^ Copper, Paul (September 1995). "Five new genera of Late Ordovician-Early Silurian brachiopods from Anticosti Island, eastern Canada". Journal of Paleontology. 69 (5): 846–862. doi:10.1017/s0022336000035526. ISSN 0022-3360.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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