Also known as F-99

Where: Esmeraldas, Ecuador (1.0° N, 79.7° W: paleocoordinates 0.7° N, 78.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Upper Member (Onzole Formation), Early/Lower Pliocene (5.3 - 3.6 Ma)

• A total thickness of ~310 m of upper Onzole Formation is exposed along sea cliffs and wave-cut platforms.

• bed-level stratigraphic resolution

Environment/lithology: deep-water; fine-grained mudstone

Size class: macrofossils

Preservation: original aragonite

Reposited in the BMNH, CAS, PRI

Collection methods: quarrying,

• Repositories include USNM, CAS, and PRI. Identified by authors in the field.

Primary reference: W. D. Pitt and L.J. Pitt. 1997. Nassarius (Mollusca: Neogastropoda) from the Neogene of northwestern Ecuador. Tulane Studies in Geology and Paleontology 29:135-150 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 41574: authorized by Austin Hendy, entered by Austin Hendy on 16.07.2004

Creative Commons license: CC BY (attribution)