CAS Loc. 857, Boca Pan [Zorritos Fm] (Miocene of Peru)

Also known as Arthur May Coll. 18

Where: Peru (3.7° S, 80.7° W: paleocoordinates 4.9° S, 76.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Zorritos Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• STRATIGRAPHIC RELATIONS: Lithostratigraphic unit not stated in text. AGE: Not stated in text; Zorritos Fm = Early Miocene. STRATIGRAPHIC POSITION: Lower beds of the Upper Zorritos Fm.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

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

Size class: macrofossils

Collected by May; reposited in the CAS

Collection methods: surface (in situ),

• COLLECTOR: A. May, C. 1910's. 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 93769: 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
 Cerithioidea - Potamididae
Potamides occidentalis Woods 1922 horn snail
 Sorbeoconcha - Cassiopidae
Pseudoglauconia lissoni Douvillé 1921 snail