Also known as Isaacson field locality 69

Where: La Paz, Bolivia (17.0° S, 68.0° W: paleocoordinates 63.9° S, 86.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Belen Member (Belen Formation), Emsian (407.6 - 393.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; siltstone and shale

Primary reference: P. E. Isaacson. 1977. Devonian stratigraphy and brachiopod paleontology of Bolivia. part A: Orthida and Strophomenida. Palaeontographica Abteilung A 155(5-6):133-192 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 36037: authorized by Michael Foote, entered by Michael Foote on 13.01.2004

Creative Commons license: CC BY (attribution)