Also known as USGS 24553

Where: Colon, Panama (9.4° N, 79.9° W: paleocoordinates 9.4° N, 79.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gatuncillo Formation, Middle Eocene (47.8 - 37.7 Ma)

• STRATIGRAPHIC POSITION: From the Gatuncillo Fm, which is regionally overlain by the Caimito Fm, and unconformably overlies Cretaceous basement. AGE: Middle-Late Eocene; here assigned to the Middle Eocene on the basis of stratigraphic position. STRATIGRAPHIC POSITION: From the base of the Gatuncillo Fm (based on lithofacies).

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, silty mudstone

Size class: macrofossils

Preservation: mold/impression

Reposited in the USNM

Collection methods: surface (in situ),

• COLLECTORS: Stewart, R.H., Allen, J.L., and A. Mena (1968). REPOSITORY: USNM.

Primary reference: W. P. Woodring. 1982. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (Pelecypods: Propeamussiidae to Cuspidariidae). United States Geological Survey Professional Paper 306(F) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92979: authorized by Austin Hendy, entered by Austin Hendy on 20.12.2009

Creative Commons license: CC BY (attribution)