Where: Argentina (44.5° S, 65.3° W: paleocoordinates 44.7° S, 62.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Puerto Madryn Formation, Late/Upper Miocene (11.6 - 5.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Puerto Madryn Fm, which unconformably overlies the Gaiman Fm (Early Miocene). THICKNESS: From a 3 m thick bed within 44 m thick section. Formation reaches a maximum thickness of 150 m. AGE: Middle Miocene according to del Rio (1992) on the basis of generic affinities with Middle Miocene Caribbean faunas. Regarded as Late Miocene by del Rio (2004). STRATIGRAPHIC POSITION: From middle part of section.
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified, shelly/skeletal, gray, yellow, silty sandstone
Size class: macrofossils
Collection methods: COLLECTOR: C. J. del Rio (between 1982 and 1987). REPORSITORY: CPBA; Universidad de Buenos Aires. Ciudad Universitaria, Pabellon II, Buenos Aires, Argentina.
Primary reference: C. J. del Rio. 1992. Middle Miocene bivalves of the Puerto Madryn Formation, Valdes Peninsule, Chubut Province, Argentina (Nuculidae-Pectinidae): Part 1. Palaeontographica Abteilung A 225:1-58 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 71558: authorized by Austin Hendy, entered by Austin Hendy on 29.04.2007
Creative Commons license: CC BY (attribution)