Where: Colombia (11.9° N, 71.3° W: paleocoordinates 11.1° N, 68.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jimol Formation, Burdigalian to Burdigalian (20.4 - 13.8 Ma)

• STRATIGRAPHIC RELATIONS: From the Jimol Fm, which unconformably overlies the Uipta Fm (Early Miocene) and is unconformably overlain by the Castilletes Fm (?Pliocene-Pleistocene). AGE: Middle Miocene (provisional), on the basis of only poor macrofossil biostratigraphy; including Orthaulax. Upper sratigraphy may prove to be of Late Miocene age. STRATIGRAPHIC POSITION: From unknown position within stratigraphy.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, calcareous sandstone

Size class: macrofossils

Preservation: cast, mold/impression, replaced with calcite

Collected by Thomas; reposited in the USNM

Collection methods: surface (in situ),

• COLLECTOR. D. Thomas, c. 1970. REPOSITORY: Not stated in text. Non-type specimens observed in USNM stratigraphic collections by A. Hendy (1/2011).

Primary reference: D. J. Thomas. 1972. The Tertiary geology and systematic paleontology (phylum Mollusca) of the Guajira Peninsula, Colombia, South America. PhD dissertation. State University of New York at Binghampton 1-138 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106365: authorized by Austin Hendy, entered by Austin Hendy on 12.03.2011

Creative Commons license: CC BY (attribution)