ammonites
Sample C14, La Venta section (Devonian to of Colombia)

Where: Colombia (6.0° N, 73.0° W: paleocoordinates 51.4° S, 50.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Emsian to Emsian (409.1 - 388.1 Ma)

• Age range from PBDB ref. 9639. About 130 m above base of section.

• bed-level stratigraphic resolution

Environment/lithology: marine; brown shale

• interpreted as offshore, possibly dysoxic
• "very weathered rust-colored shale, laminated to thin bedded"

Collection methods: bulk

Primary reference: S. F. Barrett. 1986. Paleoecology and stratigraphy of Devonian sediments in the northern Andes, Colombia: paleogeographic implications [Unpublished Ph.D. thesis, University of Chicago]. 1-329 [M. Foote/M. Foote/M. Foote] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 35881: authorized by Michael Foote, entered by Michael Foote on 08.01.2004