Finngrundet drill core 35.85 m (Ordovician of Sweden)

Where: Sweden (61.0° N, 18.6° E: paleocoordinates 35.8° S, 7.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Asaphus expansus trilobite zone, Hunderum (471.8 - 466.0 Ma)

• Trilobite zone correlative with Didymograptus hirundo graptolite facies and the Hunderumian Substage of the Kundan Stage (Baltoscandia).

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, red, muddy limestone

• glauconitic surfaces

Size classes: macrofossils, mesofossils

Collection methods: core, mechanical,

Primary reference: T. E. Tjernvik and J. V. Johansson. 1980. Description of the upper portion of the drill-core from Finngrundet in the South Bothnian Bay. Bulletin of the Geological Institutions of the University of Uppsala 8:173-204 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 198054: authorized by Melanie Hopkins, entered by Melanie Hopkins on 07.12.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
"Niobella laeviceps" = Niobe (Niobella) laeviceps
"Niobella laeviceps" = Niobe (Niobella) laeviceps Dalman 1827 trilobite
[Niobella laviceps]
 Corynexochida - Panderiidae
Panderia ? ramosa Bruton 1968 trilobite