Also known as Unit 21, Section J (Pecho, 1983)
Where: Peru (15.9° S, 73.3° W: paleocoordinates 17.5° S, 67.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Camana Formation, Late/Upper Oligocene (28.4 - 23.0 Ma)
• STRATIGRAPHIC DATA: From Camana Formation, which overlies the Lower Moquegua Fm or Paracas Fm (of Caraveli 1983), and is time-transgressive with the Upper Moquegua and Hualillas fms . AGE: Latest Oligocene-early Middle Miocene. Assigned to Late Oligocene by DeVries (2007). STRATIGRAPHIC RELATIONS: Unknown position within formation.
• group of beds-level stratigraphic resolution
Environment/lithology: shoreface; lithified, shelly/skeletal mixed carbonate-siliciclastic sediments
Size class: macrofossils
Collected by DeVries; reposited in the UWBM
Collection methods: surface (in situ),
• COLLECTORS: T.J. DeVries (multiple years). REPOSITORY: UWBM, Seattle, or Mueo de Historia Natural, Universidad Ricardo Palma, Lima, Peru.
Primary reference: T. J. DeVries. 2001. Molluscan evidence for an Oligocene-Miocene age of 'Paracas' beds in southern Peru. Boletín de la Sociedad Geológica del Peru 92:57-65 [A. Hendy/A. Hendy/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 76639: authorized by Austin Hendy, entered by Austin Hendy on 27.11.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Turritella riverae DeVries 2007 turret shell
Turritella woodsi Lisson 1925 turret shell | |
"Olivancillaria tumorifera" = Olivancillaria claneophila
"Olivancillaria tumorifera" = Olivancillaria claneophila Duclos 1835 olive snail | |
Testallium cepa Sowerby 1846 snail | |
Bivalvia | |
"Eucrassatella ponderosa" = Tilicrassatella ponderosa
"Eucrassatella ponderosa" = Tilicrassatella ponderosa Philippi 1887 clam |