Where: Peru (15.9° S, 74.2° W: paleocoordinates 16.0° S, 73.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Huacllaco Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)
• STRATIGRAPHIC RELATIONS: From the "Huacllaco beds", for which lithostratigraphic relations are not discussed. AGE: Late Pliocene, as overlies beds with early Late Pliocene index molluscs and itself contains index taxa of latest Pliocene age. STRATIGRAPHIC POSITION: From units III and IV in upper part of section.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; unlithified sandstone
Size class: macrofossils
Collected by DeVries; reposited in the UWBM
• COLLECTOR: DeVries. REPOSITORY: UWBM, Washington.
Primary reference: T. J. DeVries. 2005. Pterorytis pacanana new species (Gastropoda: Muricidae): circumstantial evidence for late Pliocene El Niño events in southern Peru. The Nautilus 119(4):164-168 [A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 80406: authorized by Austin Hendy, entered by Austin Hendy on 18.04.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Crepidula dilatata" = Crepipatella dilatata
"Crepidula dilatata" = Crepipatella dilatata Lamarck 1822 slipper shell | |
Sinum cumba moon snail | |
Oliva peruviana Lamarck 1811 olive snail | |
Cancellaria buccinoides Sowerby 1832 snail | |
Xanthochorus cassidiformis, Acanthina unicornis, Crassilabrum crassilabrum, Concholepas concholepas, Concholepas camerata
Xanthochorus cassidiformis Blainville 1832 murex snail
Acanthina unicornis Bruguiére 1789 unicorn
Crassilabrum crassilabrum Sowerby 1834 murex snail
Concholepas concholepas Bruguiére 1789 murex snail
Concholepas camerata DeVries 2000 murex snail | |
Priscoacritia sp. DeVries and Hess 2004 top snail | |
Prisogaster niger Wood 1828 snail | |
Fissurella (Fissurella) maxima3, Fissurella (Fissurella) limbata3, Fissurella (Fissurella) crassa3, Fissurella (Fissurella) concolor3
| |
Bivalvia | |
Eurhomalea lenticularis Broderip and Sowerby 1835 venus clam | |
Mesodesma donacina clam | |
Mulinia edulis King 1831 clam | |
Choromytilus chorus Molina 1782 mussel | |
Glycymeris ovata Stanton 1895 clam |