USNM loc. 20042 (Devonian of Bolivia)

Also known as Isaacson field locality 103

Where: Chuquisaca, Bolivia (19.2° S, 64.9° W: paleocoordinates 66.7° S, 92.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Shale Member (Icla Formation), Emsian (407.6 - 393.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; shale

• Setting interpreted as intracratonic basin.

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 36049: authorized by Michael Foote, entered by Michael Foote on 13.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Spiriferida - Hysterolitidae
 Rhynchonellida - Leptocoeliidae