CAS Loc. 335, Punto Sal Chico [Negritos Fm] (Eocene of Peru)

Where: Peru (4.0° S, 81.0° W: paleocoordinates 6.2° S, 70.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Negritos Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• STRATIGRAPHIC RELATIONS: Lithostratigraphic unit not stated in text; possibly Negritos Fm. AGE: Not stated in text; Negritos Fm=Early Eocene. STRATIGRAPHIC POSITION: From sandy shale.

• bed-level stratigraphic resolution

Environment/lithology: marine; sandy shale

• ENVIRONMENT: Shallow marine setting.
• SPECIFIC LITHOLOGY: Sandy shale. LITHIFICATION: Unknown.

Size class: macrofossils

Collected by Gester in 1914; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: G. C. Gester, 1914. REPOSITORY: CAS, California

Primary reference: G. D. Hanna and M. C. Israelsky. 1925. Contributions to the Tertiary paleontology of Peru. Proceedings of the California Academy of Sciences 14(2):37-75 [A. Hendy/A. Hendy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93746: authorized by Austin Hendy, entered by Austin Hendy on 01.02.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Comprehensive, but not exhaustive for gastropods and bivalves. NOMENCLATURE: Authoritative publication, with species-level assignments, but antiquated nomenclature.
Gastropoda
 Architaenioglossa - Ampullinidae
Ampullina woodsi Hanna and Israelsky 1925 snail