Where: Arequipa, Peru (15.5° S, 74.8° W: paleocoordinates 15.9° S, 72.7° W)
• coordinate stated in text
• local area-level geographic resolution
When: Pisco Formation, Tortonian (11.6 - 7.2 Ma)
• 7-8.8 Ma (Stucchi & Urbina, 2004), Huayquerian, ca. 8 Ma (Muizon & DeVries, 1985), between 7.3 and 7.46 (Ehret et al 2012).
•The Pisco Formation at Agua de Lomas has been dated to 8.0–7.0 Ma based on K-Ar dating [74, 75]. (Marx & Fordyce, 2015).
•~8.8 and 7.9 Ma for rocks associated to the AGL vertebrate-level (Ochoa et al., 2022)
• bed-level stratigraphic resolution
Environment/lithology: foreshore; diatomaceous siltstone
Size class: macrofossils
Preservation: original phosphate
Primary reference: C. Muizon and T. J. DeVries. 1985. Geology and paleontology of late Cenozoic marine deposits in the Sacaco area (Peru). Geologische Rundschau 74(3):547-563 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 45485: authorized by Mark Uhen, entered by Nick Pyenson on 25.10.2004, edited by Mark Uhen, Carlos Peredo and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
| |
Thalassocnus antiquus n. sp.13
| |
| |
| |
"Eurhinodelphidae indet." = Eurhinodelphinidae15
| |
| |
| |
cf. Piscolithax sp. Muizon 1983 porpoise | |
Balaenopteridae indet.9, Archaebalaenoptera eusebioi n. sp.2, Balaenoptera siberi n. sp.14, Incakujira fordycei n. sp.7, Incakujira anillodefuego n. gen. n. sp.10
| |
| |
| |
Aves | |
| |
| |
cf. Sula sp. Brisson 1760 booby | |
cf. Phalacrocorax sp. Brisson 1760 cormorant | |
Reptilia | |
Crocodylia indet.17 Owen 1842 crocodilian MUSM 4010 (AGL817), MUSM 2606 (AGL765), MUSM 4011, MUSM n/n (AGL953), MUSM 4012, MUSM 4013 (AGL954)
| |
| |
Actinopteri | |
Sphyraenidae indet. barracuda | |
Alosinae indet. herring | |
Ariidae indet. Berg 1958 Ariid catfish | |
Chondrichthyes | |
"Procarcharodon megalodon" = Otodus megalodon
"Procarcharodon megalodon" = Otodus megalodon Agassiz 1835 megalodon | |
"Isurus cf. oxyrhynchus" = Isurus oxyrinchus Rafinesque 1810 mackerel shark | |
Myliobatis sp. Cuvier 1816 eagle ray |