ammonites
Furudal and Kalla Limestone Assemblage, Oland, Sweden (Ordovician of Sweden)

Where: Sweden (57.0° N, 17.0° E: paleocoordinates 37.5° S, 7.4° W)

• local area-level geographic resolution

When: Early/Lower Llandeilo (466.0 - 460.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, gray lime mudstone

• Thick-bedded, finely nodular grey calcilutite

Primary reference: V. Jaanusson. 1960. The Viruan (Middle Ordovician) of Oland. Bulletin of the Geological Institutions of the University of Uppsala 38:207-287 [A. Miller/P. Novack-Gottshall/A. Clement] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2932: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 22.07.1999