Sample 84314 [Caballas Fm] (Miocene of Peru)

Where: Peru (15.3° S, 75.5° W: paleocoordinates 17.7° S, 91.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• STRATIGRAPHIC DATA: From the Caballas Formation, which unconformably overlies the Paracas Fm and is unconformably overlain by the Pisco Fm. AGE: Latest Oligocene-Early Miocene. Collection appears to be Early Oligocene on the basis of stratigraphic position. STRATIGRAPHIC RELATIONS: From near top of formation, a short distance below unconformity with the Pisco Fm.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

• ENVIRONMENT: Shallow shelf marine siliciclastic setting.
• SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Collected by Machare

Collection methods: surface (in situ),

• COLLECTORS: José Macharé. REPOSITORY: Not stated in text.

Primary reference: J. Machare, T. DeVries, and E. Fourtanier. 1988. Oligo-Miocene transgression along the Pacifie margin of South America: new paleontological and geological evidence from the Pisco basin (Peru). Géodyynamique 3(1-2):25-37 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80493: authorized by Austin Hendy, entered by Austin Hendy on 21.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COMPLETENESS: Not exhaustive but comprising common and characteristic forms. NOMENCLATURE: Not an authoritative publication but with modern nomenclature and generally with species-level assignments.
Gastropoda
 Cerithioidea - Turritellidae
Turritella conquistadorana Hanna and Israelsky 1925 turret shell
Bivalvia
 Ostreida - Malleidae
Isognomon sp. Lightfoot 1786 oyster
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster