Lingula Community, Sjorvoll Mbr., Steinsfjorden Fmn., Ringerike District (Silurian of Norway)

Where: Norway (60.2° N, 10.3° E: paleocoordinates 21.0° S, 8.1° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Sjorvoll Member (Steinsfjorden Formation), Sheinwoodian (433.4 - 430.5 Ma)

• Upper part of Sjorvoll Member. Later part of Sheinwoodian.

• member-level stratigraphic resolution

Environment/lithology: marine; lime mudstone and shale

• "Lingula is found in situ (in vertical burrows)...The environment where Lingula lived is interpreted as very shallow intertidal, BA 1."
• "This comm. occurs in a thin sequence starting with 'lumpy' bedded limestone, followed by micrites with wave ripples and capped with a shale with desiccation cracks."

Primary reference: B. G. Baarli, H. B. Keilen, and M. E. Johnson. 1999. Silurian communities of the Oslo Region, Norway. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 327-349 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 14306: authorized by Michael Foote, entered by Michael Foote on 30.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Also includes "very abundant simple U-formed ichnofossils without visible spreiten and less frequent, short, horizontal burrows.
Rhynchonellata
 Rhynchonellida -
Lingulata
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797