Location 35, Rio Frijol area [Gatuncillo Formation] (Eocene of Panama)

Also known as USGS 17700

Where: Panama (9.2° N, 79.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• STRATIGRAPHIC RELATIONSHIPS: From the Gatuncillo Fm, which is overlain by the Camito Fm, and unconformably overlies Cretaceous basement. AGE: Middle Eocene-Late Eocene; here assigned to Middle Eocene on the basis of stratigraphic position.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified lithology not reported

• Siliciclastic setting. No further paleoenvironmental information provided.
• LITHOLOGY: Not stated in text. LITHIFICATION: Lithified, on the basis of figured specimens, and outcrop observations.

Size class: macrofossils

Preservation: mold/impression

Reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR: Woodring (1949). 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 92980: authorized by Austin Hendy, entered by Austin Hendy on 20.12.2009

Creative Commons license: CC0 (CC0)

Taxonomic list

• COVERAGE: Exhaustive for gastropods and includes forams. NOMENCLATURE: Authoritative publication, with relatively modern nomenclature, and species-resolution identifications.
Show authors, comments, and common names
Bivalvia
 Pectinida - Propeamussiidae
Propeamussium sp.
Propeamussium sp. de Gregorio 1884 mud scallop