Vikarbyn Section 0.4 - 0.9 m (Ordovician of Sweden)

Also known as Folkeslunda Limestone Assemblage, Siljan, Sweden

Where: Siljan, Sweden (60.9° N, 15.0° E: paleocoordinates 33.1° S, 7.9° W)

• local area-level geographic resolution

When: Pseudamplexograptus distichus graptolite zone, Folkeslunda Formation, Lasnamagi (463.5 - 460.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, coarse-grained, shelly/skeletal, gray limestone

• Thick-bedded, coarse grained, in part coquinoid gray to dark gray limestone.

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 192378: authorized by Pete Wagner, entered by Pete Wagner on 27.03.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Dissidocerida - Geisonoceratidae
? Geisonoceras sp. Hyatt 1884
originally entered as "Geisonoceras? sp."
 Lituitida - Lituitidae
Gastropoda
 Euomphalina - Lesueurillidae
Pararaphistoma sp. Vostokova 1955 snail
 Euomphalina - Ophiletidae
Ecculiomphalus sp. Portlock 1843 snail
Ostracoda
 Hollinocopida - Tvaerenellidae
Trilobita
 Corynexochida - Illaenidae
Illaenus chiron trilobite
 Asaphida - Asaphidae
Asaphus (Neoasaphus) sp. Jaanusson 1953 trilobite
Pseudomegalaspis patagiata Törnquist 1884 trilobite
"Pseudoasaphus aciculatus" = Valdaites aciculatus Angelin 1854 trilobite