Spirodden, 150 meters above base of Spirodden Member (Silurian to of Norway)

Where: Asker, Norway (59.8° N, 10.5° E: paleocoordinates 26.3° S, 8.9° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Spirodden Member (Solvik Formation), Rhuddanian to Rhuddanian (443.4 - 438.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; mudstone and calcareous siltstone

• "This comm. occurs in strongly mudstone dominated facies with minor calcareous siltstones or silty limestones."

Size classes: macrofossils, mesofossils

Primary reference: B. G. Baarli and D. A. T. Harper. 1986. Relict Ordovician brachiopod faunas in the Lower Silurian of Asker, Oslo Region, Norway. Norsk Geologisk Tidsskrift 66:87-98 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191038: authorized by Björn Kröger, entered by Björn Kröger on 04.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Strophomenata
 Strophomenida - Sowerbyellidae
"Eoplectodonta duplicata" = Eoplectodonta (Eoplectodonta) duplicata
"Eoplectodonta duplicata" = Eoplectodonta (Eoplectodonta) duplicata de Sowerby and Murchison 1839
 Strophomenida - Rafinesquinidae
"Leptaena haverfordensis" = Leptaena (Leptaena) haverfordensis
"Leptaena haverfordensis" = Leptaena (Leptaena) haverfordensis Bancroft 1949
Rhynchonellata
 Pentamerida - Clorindidae
"Clorinda undata" = Clorilamnulella undata
"Clorinda undata" = Clorilamnulella undata de Sowerby and Murchison 1839
 Pentamerida - Stricklandiidae
Stricklandia lens Sowerby 1839
 Atrypida - Atrypidae
Protatrypa malmoeyensis Boucot et al. 1964
 Orthida - Dalmanellidae
"Isorthis prima" = Levenea llandoveriana
"Isorthis prima" = Levenea llandoveriana Williams 1951
 Orthida - Hesperorthidae
Dolerorthis plicata de Sowerby and Murchison 1839