Fjacka Shale assemblage, Siljan, Sweden (Ordovician to of Sweden)

Where: Sweden (61.0° N, 15.0° E: paleocoordinates 29.9° S, 7.0° W)

• local area-level geographic resolution

When: Fjacka Shale Formation, Actonian to Actonian (454.0 - 449.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, black shale

• Black to brown, thin-bedded shale

Primary reference: P. M. Sheehan. 1977. Swedish Late Ordovician marine benthic assemblages and their bearing on brachiopod biogeography. In J. Grey and A. J. Boucot (eds.), Historical biogeography, plate tectonics, and the changing environment 61-73 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 2771: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Climacograptidae
Climacograptus sp.
Climacograptus sp. Hall 1865 climacograptid
 Graptoloidea - Dicranograptidae
Dicellograptus sp.
Dicellograptus sp. Hopkinson 1871 graptolite
Strophomenata
 Strophomenida - Aegiromenidae
Chonetoidea sp.
Chonetoidea sp. Jones 1928
 Strophomenida - Strophomenidae
? Actinomena sp.
? Actinomena sp. Opik 1930
originally entered as "Actinomena? sp."
Rhynchonellata
 Orthida - Dalmanellidae
Dalmanella sp.
Dalmanella sp. Hall and Clarke 1892
Lingulata
 Acrotretida - Acrotretidae
Hisingerella sp.
Hisingerella sp. Henningsmoen 1948
Trilobita
 Asaphida - Remopleurididae
Remopleurides sp.
Remopleurides sp. Portlock 1843 trilobite
 Trinucleida - Raphiophoridae
Raphiophorus sp.
Raphiophorus sp. Angelin 1854 trilobite
 Trinucleida - Trinucleidae
Tretaspis sp.
Tretaspis sp. M'Coy 1849 trilobite
 Proetida - Proetidae
? Proetus sp.
? Proetus sp. Steininger 1831 trilobite
originally entered as "Proetus? sp."
 Phacopida - Calymenidae
Flexicalymene sp.
Flexicalymene sp. Shirley 1936 trilobite
 Olenida - Olenidae
Triarthrus sp.
Triarthrus sp. Green 1832 trilobite
 Odontopleurida - Odontopleuridae
? Acidaspis sp.
? Acidaspis sp. Murchison 1839 trilobite
originally entered as "Acidaspis? sp."