Santa Lagoon, Rio Santa - Cerithium-Ostrea assemblage (Holocene of Peru)

Where: Peru (9.0° S, 78.6° W: paleocoordinates 9.0° S, 78.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• LITHOSTRATIGRAPHY: From an unnamed lithostratigraphic unit, for which lithostratigraphic relationships are not discussed. AGE: 6500-4300 yr B.P., on the basis of radiocarbon dating. STRATIGRAPHIC RELATIONS: From beach ridges.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; unlithified siliciclastic sediments

• ENVIRONMENT: Sandy substrates and open protected waters.
• LITHOLOGY: Unknown, but presumably siliciclastic.

Size class: macrofossils

Collected by DeVries & Wells; reposited in the UCMP

Collection methods: surface (in situ),

• COLLECTORS: DeVries, T.J., and Wells, L.E., c. late 1980's. RESPOSITORY: Presumably UCMP, Berkeley.

Primary reference: T. J. DeVries and L. E. Wells. 1990. Thermally-anomalous Holocene molluscan assemblages from coastal Peru: evidence for paleogeographic, not climatic change. Palaeogeography, Palaeoclimatology, Palaeoecology 81:11-32 [A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 97640: authorized by Austin Hendy, entered by Austin Hendy on 17.08.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to characteristic Mollusca. NOMENLCATURE: Not an authoritative publication, but with modern nomenclature, and species-resolution identifications.
Gastropoda
 Cerithioidea - Potamididae
Cerithidea valida Adams 1852 horn snail
 Sorbeoconcha - Campanilidae
"Cerithium stercusmuscarum" = Cerithium (Thericium) stercusmuscarum
"Cerithium stercusmuscarum" = Cerithium (Thericium) stercusmuscarum Valenciennes 1833 snail
Bivalvia
 Pectinida - Pectinoidae
"Argopecten circularis" = Argopecten ventricosus
"Argopecten circularis" = Argopecten ventricosus Sowerby 1842 calico scallop
 Ostreida - Ostreidae
"Ostrea palmula" = Saccostrea palmula
"Ostrea palmula" = Saccostrea palmula Carpenter 1857 oyster