Where: Panama (9.1° N, 79.7° W: paleocoordinates 8.4° N, 77.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: upper Member (Culebra Formation), Burdigalian (20.4 - 16.0 Ma)

• LITHOSTRATIGRAPHY: From the Culebra Formation, which unconformably overlies the Las Cascadas agglomerate; emended by Kirby et al. (2009) to the upper member of the Culebra Formation. AGE: Early Miocene in text; direct date extrapolated from Kirby et al. (1999), =Burdigalian. STRATIGRAPHIC POSITION: From unknown position within member.

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, fine-grained shale and carbonaceous mudstone

Size class: macrofossils

Reposited in the USNM

Collection methods: quarrying,

• Collected by MacDonald and Vaughan (1911). Material is also held (but not specified for any specific collection) at Stanford University, Acad. Nat. Sci. Phil., Corenell University, PRI, U. Cal. and Cal. Acad. Sci. Locality now unaccessible (submerged).

Primary reference: W. P. Woodring. 1973. Geology and paleontology of canal zone and adjoing parts of Panama: Description of Tertiary mollusks (additions to gastropods, scaphopods, pelecypods: Nuculidae to Malleidae). United States Geological Survey Professional Paper 306(E):453-539 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93041: authorized by Austin Hendy, entered by Austin Hendy on 24.12.2009

Creative Commons license: CC BY (attribution)