Also known as USGS 16931; field #22

Where: Panama (9.3° N, 79.7° W: paleocoordinates 6.8° N, 77.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gatuncillo Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• Siltstone. Exposures within the Rio Agua Suica basin expose mudstone, siltstone, and sandstone. Mudstone and sandstone are more prevelant in the southeastern part of rte basin, sandstone in the northwestern part. Sandstone is medium-grained, poorly sorted, and contains much carboniferous debris. Limestone is not common, although algal and foraminiferal limestone is present.

• bed-level stratigraphic resolution

Environment/lithology: offshore; siltstone

Size class: macrofossils

Reposited in the UNSM

Collection methods: quarrying,

• Collected by Schultz and Woodring (1947) and Cole (1953). Material is also held (but not specified for any specific collection) at Stanford University, Acad. Nat. Sci. Phil., Cornell University, PRI, U. Cal. and Cal. Acad. Sci.

Primary reference: W. P. Woodring. 1959. Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (gastropods: Vermetidae to Thaididae). United States Geological Survey Professional Paper 306(B):147-239 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42781: authorized by Austin Hendy, entered by Austin Hendy on 05.08.2004

Creative Commons license: CC BY (attribution)