CAS Loc. 329, Corona Peak [Zorritos Fm]: Early/Lower Miocene, Peru
collected by Gester 1914

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Arcida - Arcidae
Arca larkinii Nelson 1870
recombined as Larkinia larkinii
Gastropoda - Turritellidae
Turritella bifastigata Nelson 1870
recombined as Turritella (Broderiptella) bifastigata
Turritella gothica Grzybowski 1899
Gastropoda - Potamididae
Potamides ormei Maury 1917
synonym of Potamides suprasulcatus
SUBSPECIES: Potamides ormei infraliratus
see common names

Geography
Country:Peru
Coordinates: 8.9° South, 78.2° West (view map)
Paleocoordinates:10.0° South, 73.8° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Early/Lower Miocene
Age range of interval:23.03000 - 15.97000 m.y. ago
Stratigraphy
Formation:Zorritos
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: Lithostratigraphic unit not stated in text; possibly from Zorritos Fm. AGE: Not stated in text; Zorritos Fm=Early Miocene. STRATIGRAPHIC POSITION: From unknown position within section.
Lithology and environment
Primary lithology: not reported
Lithology description: SPECIFIC LITHOLOGY: Unknown. LITHIFICATION: Unknown.
Environment:marine indet.
Geology comments: ENVIRONMENT: Shallow marine setting.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Museum repositories:CAS
Collectors:Gester Collection dates:1914
Collection method comments: COLLECTOR: G. C. Gester, 1914. REPOSITORY: CAS, California
Taxonomic list comments:COVERAGE: Comprehensive, but not exhaustive for gastropods and bivalves. NOMENCLATURE: Authoritative publication, with species-level assignments, but antiquated nomenclature.
Metadata
Also known as:Gester Coll. No. 6
Database number:93741
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2010-02-01 07:33:30 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2011-02-01 07:33:30
Creative Commons license:CC BY
Reference information

Primary reference:

31881. 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]