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 contains early Late Pliocene index molluscs and underlies terrace deposits of latest Pliocene age. STRATIGRAPHIC POSITION: From units I and II in lower 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 80409: authorized by Austin Hendy, entered by Austin Hendy on 20.04.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Nacella (Patinigera) oblea n. sp.1, Nacella (Patinigera) chalaensis n. sp.1, Nacella (Patinigera) intiforma1
| |
Acmaeidae indet. Forbes 1850 limpet | |
"Tegula (Chlorostoma) sp." = Chlorostoma, Priscoacritia collapsa
"Tegula (Chlorostoma) sp." = Chlorostoma Swainson 1840 top snail
Priscoacritia collapsa DeVries and Hess 2004 top snail | |
Fissurella (Fissurella) aranea DeVries 2008 snail | |
Stramonita sp., Concholepas camerata, Concholepas nodosa, Herminespina mirabilis, Acanthina triangularis, Xanthochorus sp., Xanthochorus buxeus
Stramonita sp. Schumacher 1817 murex snail
Concholepas camerata DeVries 2000 murex snail
Concholepas nodosa Möricke 1896 murex snail
Herminespina mirabilis Möricke 1896 murex snail
Acanthina triangularis DeVries 2003 unicorn
Xanthochorus sp. murex snail
Xanthochorus buxeus Broderip 1833 murex snail | |
Chorus grandis snail | |
Bivalvia | |
Lithophaga sp. Röding 1798 mussel
Choromytilus chorus Molina 1782 mussel | |
Chlamys cf. vidali scallop |