CAS Loc. 27547, Isla Rabida (Pleistocene of Ecuador)

Where: Ecuador (0.4° S, 90.7° W: paleocoordinates 0.4° S, 90.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From unnamed lithostratigraphic unit, for which stratigraphic relationships are not discussed. AGE: Late Pleistocene or Holocene. STRATIGRAPHIC POSITION: Below high tide, embedded in scoriaceous material at foot of a 9 m cliff.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified volcaniclastic sediments

• SPECIFIC LITHOLOGY: Scoriaceous material. LITHIFICATION: Lithified, based on facies description.

Size class: macrofossils

Collected by Clark in 1932; reposited in the CAS

Collection methods: surface (in situ),


Primary reference: L. G. Hertlein. 1939. Marine Pleistocene mollusks from the Galapagos Islands. Proceedings of the California Academy of Sciences 23(24):367-380 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96865: authorized by Austin Hendy, entered by Austin Hendy on 05.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with somewhat antiquated nomenclature, and species-resolution identifications.
 Neogastropoda - Conidae
 Sorbeoconcha - Cerithiidae
Cerithium adustum cerith snail