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 Published by AAPG; lists some otherwise unpublished faunal lists, identified by Woodring and Vaughan; nomenclature is antiquated.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)
Taxonomic list
Scaphopoda | |
Dentalium sp. Linnaeus 1758 tusk shell | |
Bivalvia | |
Myrtaea ? cookei Olsson 1931 clam | |
Thyasira sp. Lamarck 1818 clam | |
Pleurophopsis sp. clam | |
Solemya sp. Children 1823 Awning Clam | |
Gastropoda | |
|