Dicoelosia-fenestrate bryozoan 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"

Environment/lithology: marine; shale

• "sh and mudstone. open shelf env. BA5 (Clorinda-Dicoelosia ecogroup. 4 samples, 1258 specimens, mean spp. diversity= 23.8"

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 504: authorized by Jack Sepkoski, entered by Mike Sommers on 17.12.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Baarli, 1987"
Anthozoa
 Tabulata -
Tabulata indet. tabulate coral
favositid coral
 Rugosa -
Rugosa indet. horn coral
Scyphozoa
 Conulariida -
Conulariida indet. Miller and Gurley 1896 jellyfish
conulariids
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
trilobites
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
stick bryozoans
Stenolaemata
 Fenestrata -
Fenestrata indet. Elias and Condra 1957
fenestrate bryozoans
Craniata
 Craniopsida - Craniopsidae
Paracraniops sp. Williams 1963
Strophomenata
 Strophomenida - Furcitellidae
Pentlandina sp. Bancroft 1949
originally entered as "Pentlandia sp."
"Katastrophomena pen" = Katastrophomena penkillensis Reed 1917
 Strophomenida - Rafinesquinidae
"Leptaena haverfordensis" = Leptaena (Leptaena) haverfordensis
"Leptaena haverfordensis" = Leptaena (Leptaena) haverfordensis Bancroft 1949
 Strophomenida - Sowerbyellidae
"Eoplectodonta duplicata" = Eoplectodonta (Eoplectodonta) duplicata
"Eoplectodonta duplicata" = Eoplectodonta (Eoplectodonta) duplicata de Sowerby and Murchison 1839
 Strophomenida - Aegiromenidae
Aegiria norvegica Opik 1933
originally entered as "Aegirea norvegica"
 Strophomenida - Leptestiidae
Leangella scissa Davidson 1871
Rhynchonellata
 Orthida - Hesperorthidae
Dolerorthis plicata de Sowerby and Murchison 1839
 Orthida - Rhipidomellidae
Mendacella sp. Cooper 1930
 Orthida - Dalmanellidae
Isorthis sp. Kozlowski 1929
 Orthida - Dicoelosiidae
 Orthida - Draboviidae
Salopina sp. Boucot 1960
 Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
 Pentamerida - Stricklandiidae
Stricklandia lens Sowerby 1839
 Atrypida -
Protatrypa malmoeyensis Boucot et al. 1964
 Atrypida - Atrypidae
Plectatrypa henningsmoensis
no abundance data
 Atrypida - Lissatrypidae
? Meifodia sp.
originally entered as "? Meifodia sp."
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820