CAS Loc. 1306, Isla Isabela (Pleistocene of Ecuador)

Where: Ecuador (0.5° S, 91.1° W: paleocoordinates 0.5° S, 91.1° 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: Sandstone rocks on beach covered at high tide.

• bed-level stratigraphic resolution

Environment/lithology: marine; unlithified sandstone

• SPECIFIC LITHOLOGY: Sandstone. LITHIFICATION: Unlithified, based on facies description.

Size class: macrofossils

Collected by Slevin in 1927; 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 96864: 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.
 Ostreida - Ostreidae
"Ostrea palmula" = Saccostrea palmula
"Ostrea palmula" = Saccostrea palmula Carpenter 1857 oyster
 Neogastropoda - Columbellidae
 Neogastropoda - Nassariidae
Nassarius nodicinctus Adams 1852 snail
 Neogastropoda - Harpidae
 Neogastropoda - Conidae
 Vanikoroidea - Hipponicidae
 Velutinoidea - Triviidae
"Trivia pacifica" = Niveria (Niveria) pacifica
"Trivia pacifica" = Niveria (Niveria) pacifica Gray 1832 snail
 Cypraeoidea - Cypraeidae
"Cypraea nigropunctata" = Pseudozonaria nigropunctata
"Cypraea nigropunctata" = Pseudozonaria nigropunctata Gray 1828 cowry