Where: Guayas, Ecuador (1.8° S, 80.7° W: paleocoordinates 3.6° S, 75.4° W)

• outcrop-level geographic resolution

When: Late/Upper Oligocene (28.4 - 23.0 Ma)

• SOURCE: composite assemblage from beds exposed in cliff section. AGE: Upper Oligocene, equivalent to the Heath Shales. STRAIGRAPHIC RELATIONS: forms a belt etween the middle Oligocene Zapotal and Mocene Aguada and Amen units, also observed overlying sandstones of the Puinta Mambra unit.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified sandstone

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: quarrying, ,

• COLLECTOR: unknown collectors. REPOSITORIES: unknown repsotories

Primary reference: G. Shepard. 1937. The geology of south-western Ecuador. Published by AAPG; lists some otherwise unpublished faunal lists, identified by Woodring and Vaughan; nomenclature is antiquated. [A. Miller/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 61202: authorized by Austin Hendy, entered by Austin Hendy on 30.05.2006

Creative Commons license: CC BY (attribution)