Cerro Submarino (Miocene of Peru)

Where: Ica, Peru (14.6° S, 75.7° W: paleocoordinates 15.5° S, 71.5° W)

• coordinate stated in text

When: Chilcatay Formation, Burdigalian (20.4 - 16.0 Ma)

Environment/lithology: estuary or bay; sandstone and conglomerate

• semi-enclosed, shallow-marine bay, structured along a latitudinal depth gradient, and sheltered seawards by a longshore chain of crystalline basement islands
• massive sandstones and conglomerates with boulder-sized clasts at the bottom (Ct1c facies association), followed by medium-to fine-grained sandstones alternating with conglomerate beds (Ct1a), and clinobedded coarse-grained calcirudites at the top (Ct1b) (Di Celma et al., 2018b, 2019).

Size class: macrofossils

Primary reference: G. Bosio, E. Malinverno, A. Collareta, C. Di Celma, A. Gioncada, M. Parente, F. Berra, F. G. Marxf, A. Vertino, M. Urbina, and G. Bianucci. 2020. Strontium Isotope Stratigraphy and the thermophilic fossil fauna from the middle Miocene of the East Pisco Basin (Peru). Journal of South American Earth Sciences 97 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 211578: authorized by Mark Uhen, entered by Mark Uhen on 22.07.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

 Lamniformes - Lamnidae
Isurus oxyrinchus, "Cosmopolitodus hastalis" = Carcharodon hastalis
Isurus oxyrinchus Rafinesque 1810 mackerel shark
"Cosmopolitodus hastalis" = Carcharodon hastalis Agassiz 1838 white shark
 Ostreida - Ostreidae
Ostreidae indet. Rafinesque 1815 oyster