Dalby Formation, Bed: 2.80-3.30 (Ordovician of Sweden)

Where: Vastergotland, Sweden (58.0° N, 12.0° E: paleocoordinates 33.7° S, 8.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Upper Member (Dalby Formation), Caradoc (458.4 - 449.5 Ma)

• Listed as Middle Caradoc. Core sample with some vertical averaging; equivalent to Estonian age C3/D1 according to Sheehan, 1979: 64

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, gray, calcareous lime mudstone

• Dark gray (calcareous?) mudstone

Size classes: macrofossils, mesofossils, microfossils

Primary reference: V. Jaanusson. 1965. The Viruan (Middle Ordovician) of Kinnekulle and northern Billingen, Vastergotland. Bulletin of Geological Institutions of the University of Uppsala 43(1):1-73 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 77082: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 19.12.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Orthida - Dalmanellidae
Onniella sp. Bancroft 1928
Ostracoda
 Palaeocopida - Aechminidae
"Parapyxion sp." = Vogdesella
"Parapyxion sp." = Vogdesella ostracod
 Palaeocopida - Circulinidae
 Palaeocopida - Euprimitiidae
 Palaeocopida - Conchoprimitiidae
Trilobita
 Trinucleida - Raphiophoridae
Lonchodomas sp. Angelin 1854 trilobite