CAS Loc. 338, Punto Gigantal [Zorritos Fm] (Miocene of Peru)

Where: Peru (3.8° S, 80.8° W: paleocoordinates 5.0° 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; possibly from Zorritos Fm. AGE: Not stated in text; Zorrito Fm=Early Miocene. STRATIGRAPHIC POSITION: Unknown position within section.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• ENVIRONMENT: Shallow marine setting.
• SPECIFIC LITHOLOGY: Unknown. 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 93748: 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.
Bivalvia
 Arcida - Arcidae
"Arca larkinii" = Larkinia larkinii
"Arca larkinii" = Larkinia larkinii Nelson 1870 ark
 Cardiida - Veneridae
"Clementia dariena" = Clementia (Clementia) dariena
"Clementia dariena" = Clementia (Clementia) dariena Conrad 1855 venus clam
Gastropoda
 Neogastropoda - Buccinidae
Siphonalia phosoidea Hanna and Israelsky 1925 true whelk
 Cerithioidea - Turritellidae
"Turritella charana" = Turritella abrupta
"Turritella charana" = Turritella abrupta Spieker 1922 turret shell
 Cerithioidea - Potamididae
"Potamides ormei" = Potamides suprasulcatus
"Potamides ormei" = Potamides suprasulcatus Gabb 1873 horn snail
SUBSPECIES: Potamides ormei infraliratus