Where: Peru (14.2° S, 76.1° W: paleocoordinates 16.1° S, 85.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Pisco Formation, Middle Miocene (16.0 - 11.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Pisco Formation, which overlies the Chilcatay Fm (Early Miocene). AGE: Middle Miocene, based on diatom zonation (Baron, 1985; Machare and Fourtanier, 1987), and Ar39-Ar40 radiometric ages, in addition to molluscan biostratigraphy. STRATIGRAPHIC POSITION: Composite list for entire formation.
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, medium-grained, coarse sandstone and lithified, silty sandstone
Size class: macrofossils
Collected by Devries; reposited in the USNM
Collection methods: surface (in situ),
• COLLECTOR: T. J. Devries. REPOSITORY: USNM.
Primary reference: T. J. DeVries. 1997. Neogene Ficus (Mesogastropoda: Ficidae) from the Pisco Basin (Peru). Boletín de la Sociedad Geológica de Perú 86:11-18 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 76597: authorized by Austin Hendy, entered by Austin Hendy on 23.11.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
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"Trachycardium procerum" = Mexicardia procera1
"Trachycardium procerum" = Mexicardia procera1 Sowerby 1833 cockle SUBSPECIES: Trachycardium procerum domeykoanum
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"Panopea coquimbensis" = Panopea abbreviata1
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Gastropoda | |
"Turritella cingulatiformis" = Incatella cingulatiformis1, "Turritella chilensis" = Incatella chilensis1, Turritella breantiana1, "Turritella infracarinata" = Turritella (Turritella) infracarinata2
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Acanthina obesa1, Herminespina philippii1, Herminespina mirabilis1, Concholepas nodosa1, Concholepas kieneri1
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Ficus allenmanae DeVries 1997 fig shell |