Eurypterid-Associated Biota of the Basal Sundvollen Formation, Oslo Region (Silurian of Norway)

Where: Norway (59.9° N, 10.8° E: paleocoordinates 16.9° S, 7.3° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Colonograptus ludensis graptolite zone, Sundvollen Formation, Rootsikula (426.2 - 422.9 Ma)

• "Basal Sundvollen Formation. Late Wenlockian." PJW: base of formation is thought to be Colonograptus ludensis graptolite zone (Nakrem & Rasmussen 2013).

• member-level stratigraphic resolution

Environment/lithology: marginal marine; gray shale

• "overlying red bed contains ripple marks, mud cracks, and trails. Nonmarine, showing transition from marine conditions below"
• "Dark-gray shale."

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 26927: authorized by Michael Foote, entered by Michael Foote on 08.11.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Euchelicerata
 Eurypterida - Eurypteridae
"Baltoeurypterus tetragonophthalmus" = Eurypterus tetragonophthalmus
"Baltoeurypterus tetragonophthalmus" = Eurypterus tetragonophthalmus Fischer 1839 eurypterid
 Eurypterida - Mixopteridae
Mixopterus sp. Ruedemann 1921 eurypterid
 Eurypterida - Pterygotidae
Pterygotus sp. Agassiz 1839 eurypterid
 Eurypterida - Adelophthalmidae
Nanahughmilleria sp. Kjellesvig-Waering 1961 eurypterid
Petromyzontida
  -
Ateleaspis sp. Traquair 1889