Where: Peru (14.2° S, 75.7° W: paleocoordinates 15.1° S, 71.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Chilcatay Formation, Burdigalian (20.4 - 16.0 Ma)
• Originally Early Miocene
•STRATIGRAPHIC RELATIONS: From the Chilcatay Formation, which is overlain by the Pisco Fm (Middle-Late Miocene). AGE: Early 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: coastal; 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 and D. Frassinetti. 2003. Range extensions and biogeographic implications of Chilean Neogene mollusks found in Peru. Boletín del Museo Nacional de Historia Natural, Chile 52:119-135 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 76635: authorized by Austin Hendy, entered by Austin Hendy on 27.11.2007, edited by Mihaela Krause
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
| |
"Olivancillaria tumorifera" = Olivancillaria claneophila
"Olivancillaria tumorifera" = Olivancillaria claneophila Duclos 1835 olive snail | |
Acanthina katzi Fleming 1972 unicorn | |
| |
"Turritella affinis" = Incatella hupei, "Turritella infracarinata" = Turritella (Turritella) infracarinata3
"Turritella affinis" = Incatella hupei Nielsen in DeVries 2007 turret shell | |
Bivalvia | |
| |
Miltha vidali Philippi 1887 clam | |
"Eucrassatella ponderosa" = Tilicrassatella ponderosa Philippi 1887 clam | |
"Glycymeris ibariformis" = Glycymeris (Glycymerita) ibariformis, Glycymeris colchaguensis
"Glycymeris ibariformis" = Glycymeris (Glycymerita) ibariformis Frassinetti and Covacevich 1983 clam
Glycymeris colchaguensis Hupé 1854 clam | |
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