Solvik Formation

Solvik Formation
Solvik Formation
Stratigraphic range: Early Llandovery (Silurian)
Type	Geological formation
Sub-units	Myren Member; Spirodden Member; Leangen Member; Padda Member;
Location
Country	Norway

Sub-units

CountryNorway

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]

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]
Eisaella	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] 3 meters and 8 meters above the base of the formation at Konglungø and Vakås, respectively.^[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