Steinvika (Ordovician to of Norway)

Where: Oslo, Norway (59.0° N, 9.7° E: paleocoordinates 32.0° S, 10.0° W)

• local area-level geographic resolution

When: Langesundstangen Member (Steinvika Limestone Formation), Actonian to Actonian (454.0 - 449.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, argillaceous lime mudstone and reef rocks

• Argillaceous mudstones interbedded with cross-bedded and ripple-laminated skeletal limestones

Size class: macrofossils

Primary reference: T. L. Harland. 1980. The Middle Ordovician of the Oslo region, Norway, 28. Lithostratigraphy of the Steinvika Limestone Formation, Landesund-Skien district. Norsk Geologiske Tidsskrift 60:269-278 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3253: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 27.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Strophomenata
 Strophomenida - Sowerbyellidae
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea
"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea Sowerby 1839
 Strophomenida - Strophomenidae
Strophomena keilhaui
Strophomena keilhaui Holtedahl 1916
Rhynchonellata
 Atrypida - Anazygidae
Zygospira sp.
Zygospira sp. Hall 1862
 Atrypida - Cyclospiridae
Cyclospira sp.
Cyclospira sp. Hall and Clarke 1893
 Orthida - Plaesiomyidae
Dinorthis cf. flabellulum
Dinorthis cf. flabellulum Sowerby and Murchison 1839
 Orthida - Platystrophiidae
Platystrophia dentata
Trilobita
 Phacopida - Encrinuridae
Encrinurus sp.
Encrinurus sp. Emmrich 1844 trilobite
 Phacopida - Pterygometopidae
"Toxochasmops extensus" = Toxochasmops (Toxochasmops) extensus
"Toxochasmops extensus" = Toxochasmops (Toxochasmops) extensus Boeck 1838 trilobite