Mazaredo (Oligocene to of Argentina)

Where: Argentina (47.1° S, 66.7° W: paleocoordinates 47.9° S, 59.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chattian to Chattian (28.1 - 16.0 Ma)

• Either from the San Julian or Monte Leon Formation. These units range from Chattian to Burdigalian by Sr and U-Pb chronology (Parras et., 2012; Perkins et al., 2012).

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; siliciclastic sediments

• Presumably siliciclastic; lithification not known.

Size class: macrofossils

Reposited in the USNM

Primary reference: G. A. Cooper. 1959. Genera of Tertiary and Recent rhynchonelloid brachiopods. Smithsonian Miscellaneous Collections 130(5):1-90 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 187478: authorized by Matthew Clapham, entered by Matthew Clapham on 30.07.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Rhynchonellida - Notosariidae
Plicirhynchia plicigera