Nifsåsen Quarry (Ordovician of Sweden)

Where: Jamtland, Sweden (63.2° N, 14.6° E: paleocoordinates 23.9° S, 7.7° W)

• outcrop-level geographic resolution

When: Kyrkås Formation, Hirnantian (445.2 - 443.4 Ma)

• Fig. 2B

• group of beds-level stratigraphic resolution

Environment/lithology: marine; siltstone

Size class: macrofossils

Collection methods: Partly from previously unpublished lists by Bassett & Karis.

Primary reference: P. Dahlqvist, D. A. T. Harper, and L. Wickström. 2010. Late Ordovician shelly faunas from Jämtland: palaeocommunity development along the margin of the Swedish Caledonides. Bulletin of Geosciences 85(3):505-512 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 153331: authorized by Pete Wagner, entered by Pete Wagner on 10.12.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

• Reference samples are stored at the Department of Geology, Lund University, Sweden.
Trilobita
 Phacopida - Dalmanitidae
"Dalmanitina (Mucronaspis) mucronata" = Mucronaspis (Songxites) mucronatus
"Dalmanitina (Mucronaspis) mucronata" = Mucronaspis (Songxites) mucronatus Brongniart 1822 trilobite
 Corynexochida - Illaenidae
? Illaenus sp. Dalman 1827 trilobite
Rhynchonellata
 Orthida - Orthidae
Orthidae sp. Woodward 1852
 Orthida - Chrustenoporidae
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida - Strophomenidae
 Strophomenida - Aegiromenidae
"Aegiromena" sp. Havlícek 1961