Where: Puerto Rico (18.3° N, 66.3° W: paleocoordinates 17.5° N, 65.4° W)

• coordinate estimated from map

• basin-level geographic resolution

When: San Sebastian Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)

• STRATIGRAPHIC RELATIONS: From the San Sebastian Limestone, for which lithostratigraphic relationships are not reported. AGE: Late Oligocene in text. STRATIGRAPHIC POSITION: List representative of formation

• formation-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: Unknown

Primary reference: W. P. Woodring. 1959. Geology and paleontology of Canal Zone and adjoining parts of Panama: Description of Tertiary mollusks (gastropods: Vermetidae to Thaididae). United States Geological Survey Professional Paper 306(B):147-239 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93694: authorized by Austin Hendy, entered by Austin Hendy on 28.01.2010

Creative Commons license: CC BY (attribution)