Furudal Quarry, Crassicauda Lst. (Ordovician of Sweden)

Where: Dalarne, Sweden (61.1° N, 15.2° E: paleocoordinates 33.4° S, 7.9° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Gymnograptus linnarssoni graptolite zone, Furudal Formation, Uhaku (459.7 - 458.0 Ma)

• "Crassicauda Stufe", in Jaanusson et al. (1953)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, nodular, argillaceous wackestone

• Somewhat nodular, argillaceous calcarenetic calcilutite.

Size classes: macrofossils, mesofossils

Collection methods: PMO, Riksmuseet

Primary reference: V. Jaanusson. 1953. Untersuchungen über baltoskandische Asaphiden I Revision der mittelordovizischen Asaphiden des Siljan-Gebietes in Dalarna. Arkiv för Mineralogie och Geologie 1(14):377-464 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166432: authorized by Björn Kröger, entered by Björn Kröger on 13.02.2015, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Retiolitidae
Glyptograptus vikarbyensis graptolite
Glyptograptus teretiusculus in Tornquist 1911
 Graptoloidea - Lasiograptidae
Gymnograptus linnarssoni lasiograptid
Lasiograptus (Hallograptus) bimucranotus in Tornquist 1911
Strophomenata
 Strophomenida - Christianiidae
Christiania sp. Hall and Clarke 1892
Ostracoda
 Hollinocopida - Tvaerenellidae
Uhakiella sp. Öpik 1937 ostracod
 Hollinocopida - Tetradellidae
 Hollinocopida - Eurychilinidae
 Beyrichicopida - Ctenonotellidae
Steusloffia linnarssoni Krause 1889 ostracod
  - Sigmoopsidae
Trilobita
 Asaphida - Asaphidae
Asaphus (Neoasaphus) lepidus Törnquist 1884 trilobite