Stricklandia-Cryptothyrella association (Silurian of Norway)

Where: Oslo, Norway (59.9° N, 10.8° E: paleocoordinates 25.7° S, 8.8° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Leangen Member (Solvik Formation), Aeronian (440.8 - 438.5 Ma)

• "lower Lland (youngest of set)"

Environment/lithology: marine; shale

• "sh and mudstone. open shelf env. BA4. Stricklandiid community. 8 samples, 2048 specimens, mean spp diversity=17.3"

Size class: macrofossils

Primary reference: B. G. Baarli. 1987. Benthic faunal associations in the Lower Silurian Solvik Formation of the Oslo-Asker Districts, Norway. Lethaia 20:75-90 [M. Foote/M. Foote/J. Ju]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 507: authorized by Jack Sepkoski, entered by Mike Sommers on 17.12.1998, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Baarli, 1987"
Anthozoa
 Rugosa -
Rugosa indet. horn coral
 Tabulata -
Tabulata indet. tabulate coral
favositid coral
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
trilobites
Strophomenata
 Strophomenida - Leptostrophiidae
Eostropheodonta sp. Bancroft 1949
 Strophomenida - Leptestiidae
Leangella scissa Davidson 1871
 Strophomenida - Sowerbyellidae
"Eoplectodonta duplicata" = Eoplectodonta (Eoplectodonta) duplicata
"Eoplectodonta duplicata" = Eoplectodonta (Eoplectodonta) duplicata de Sowerby and Murchison 1839
Rhynchonellata
 Pentamerida - Stricklandiidae
Stricklandia lens Sowerby 1839
 Atrypida -
Protatrypa malmoeyensis Boucot et al. 1964
 Orthida - Rhipidomellidae
Mendacella sp. Cooper 1930
 Orthida - Dalmanellidae
Isorthis sp. Kozlowski 1929
 Orthida - Draboviidae
? Hirnantia sp. Lamont 1935
originally entered as "? Hirnatia sp."
 Athyridida - Meristellidae
"Cryptothyrella sp." = Hindella
"Cryptothyrella sp." = Hindella Davidson 1882
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
stick bryozoans
Stenolaemata
 Trepostomata -
Trepostomata indet. Ulrich 1882
ramose bryozoans
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
bivalves