Vikarbyn Section 0.0 - 3.1 m (Ordovician to of Sweden)

Also known as Was Furudal Limestone Assemblage, Siljan, Sweden

Where: Siljan, Sweden (60.9° N, 15.0° E: paleocoordinates 33.5° S, 8.0° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Gymnograptus linnarssoni graptolite zone, Furudal Formation, Uhaku to Uhaku (459.7 - 460.9 Ma)

• Entered as Early Llandeilo

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, gray, argillaceous lime mudstone

• Grey, thick-bedded calcilutite with argillaceous intercalations
• Nodulr to finely nodular, fine-grained grey limestone weathered on the bottom of the excavated dit into thin (1-3 cm thick) beds or lens. ontains numerous organogenic tubes mostly filled with clear calcit.

Size classes: macrofossils, mesofossils

Primary reference: V. Jaanusson. 1963. Lower and Middle Viruan (Middle Ordovician) of the Siljan district. Bulletin of Geological Institutions of the University of Uppsala 42(3):1-40 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2946: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 22.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• This was Phil's list for the formation. It is broken up into localities now.
Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Retiolitidae
Glyptograptus vikarbyensis, Glyptograptus cernus
 Graptoloidea - Lasiograptidae
Gymnograptus linnarssoni
Strophomenata
 Strophomenida - Leptellinidae
? Leptellina "n. sp."
? Leptellina "n. sp." Ulrich and Cooper 1936
originally entered as "Leptellina? sp."
 Strophomenida - Christianiidae
Christiania sp.
Christiania sp. Hall and Clarke 1892
Cephalopoda
 Orthocerida - Orthoceratidae
Orthoceras bifoveatum
Gastropoda
 Murchisoniina - Gosseletinidae
"Clathrospira cf. elliptica" = Deacheospira elliptica
"Clathrospira cf. elliptica" = Deacheospira elliptica Hisinger 1837 snail
[Clathrospira cf. ellipctica]
Ostracoda
 Palaeocopida -
Estoniops "n. sp."
 Beyrichicopida - Ctenonotellidae
Steusloffia linnarssoni
Steusloffia linnarssoni Krause 1889 ostracod
 Hollinocopida - Tetradellidae
Sigmobolbina sp., Tallinnella angustata
Sigmobolbina sp. Henningsmoen 1953 ostracod
Trilobita
 Lichida - Lichidae
Hoplolichas proboscideus
Hoplolichas proboscideus Dames 1877 trilobite
 Trinucleida - Raphiophoridae
Lonchodomas sp.
Lonchodomas sp. Angelin 1854 trilobite
 Asaphida - Nileidae
Nileus sp.
Nileus sp. Dalman 1827 trilobite
 Asaphida - Asaphidae
Asaphus (Neoasaphus) bottnicus, Asaphus (Neoasaphus) lepidus, ? Pseudobasilicus sp.
Asaphus (Neoasaphus) lepidus Törnquist 1884 trilobite
? Pseudobasilicus sp. Reed 1930 trilobite
originally entered as "Pseudobasilicus? sp."
 Asaphida - Remopleurididae
Remopleurides sp.
Remopleurides sp. Portlock 1843 trilobite