San Sebastian 1 (Oligocene of the United States)

Also known as UCMP V-4852

Where: Puerto Rico (18.3° N, 66.9° W: paleocoordinates 17.5° N, 66.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

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

• Reinhardt states that these deposits are Middle Oligocene

Environment/lithology: marine; argillaceous limestone

• bluish to buff-colored arenaceous limestone; abundant foraminifera and mollusca associated in same member

Size classes: macrofossils, mesofossils, microfossils

Preservation: original phosphate

Reposited in the UCMP

Collection methods: quarrying,

Primary reference: R. H. Reinhart. 1959. A review of the Sirenia and Desmostylia. University of California Publications in Geological Sciences 36(1):1-146 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40508: authorized by Mark Uhen, entered by Mark Uhen on 24.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Sirenia - Dugongidae
Caribosiren turneri Reinhart 1959 dugong