Finngrundet drill core 58.10 m (Ordovician of Sweden)

Where: Sweden (61.0° N, 18.6° E: paleocoordinates 37.5° S, 8.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Megistaspis (Varvaspis) estonica trilobite zone, Billingen (474.8 - 471.1 Ma)

• Trilobite zone correlative with the Phyllograptus angustifolius elongatus and the Billingenian substage of the Latorpian Stage (Baltoscandia).

• bed-level stratigraphic resolution

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

• red clayey limestone

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 198163: authorized by Melanie Hopkins, entered by Melanie Hopkins on 08.12.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Leiostegiidae
Agerina erratica Tjernvik 1956 trilobite
 Asaphida - Asaphidae
"Niobella imparilimbata" = Niobe (Niobella) imparilimbata
"Niobella imparilimbata" = Niobe (Niobella) imparilimbata Bohlin 1955 trilobite