ammonites
Dalby Formation. Bed 76.73-78.58 (Ordovician of Sweden)

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

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Member (Dalby Formation), Caradoc (460.9 - 449.5 Ma)

• Listed as Middle Caradoc

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, gray, calcareous mudstone and lithified, bentonitic limestone

• Environment listed as Deep Mid-shelf. Horizontal worm trails are common
• Dark gray, calcareous mudstone interbedded with scattered beds (lenses?) of almost compact limestone with several bentonite layers

Size classes: macrofossils, mesofossils

Preservation: trace

Collection methods: 7 cm diameter core sample, but with some vertical averaging; equivalent to Estonian age C3/D1 according to Sheehan, 1979: 64

Primary reference: P. Thorslund. 1948. The Chasmops Series of the Kullatorp Core. Bulletin of the Geological Institutions of the University of Uppsala, New Series 32:343-373 [P. Novack-Gottshall/P. Hearn] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 76911: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 07.12.2007