Where: Ica, Peru (14.6° S, 75.6° W: paleocoordinates 15.5° S, 71.5° W)
• coordinate stated in text
When: Chilcatay Formation, Burdigalian (20.4 - 16.0 Ma)
• Acosta Hospitaleche et al 2005 identify this locality as early Middle Miocene. Varas-Malca et al 2011 state it is late Oligocene to early middle Miocene.
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•The age of the Ct1c facies association is constricted between 19.25 ± 0.08 Ma and 19.00 ± 0.28 Ma (early Burdigalian) on the basis of two volcanic ash layer samples dated by 40Ar/39Ar [89].
• formation-level stratigraphic resolution
Environment/lithology: coastal; lithology not reported
Size class: macrofossils
Primary reference: C. Acosta Hospitaleche and M. Stucchi. 2005. Nuevos restos terciarios de Spheniscidae (Aves, sphenisciformes) procedentes de la Costa del Peru. Revista española de paleontología 20(1):1-5 [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 100330: authorized by Mark Uhen, entered by Mark Uhen on 08.12.2010, edited by Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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Negaprion brevirostris4, Physogaleus contortus4, Carcharhinus brachyurus4, Carcharhinus dicelmai n. sp.2, Carcharhinus cf. leucas4
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Isurus oxyrinchus4, "Cosmopolitodus hastalis" = Carcharodon hastalis4, "Carcharocles chubutensis" = Carcharodon subauriculatus4, Cosmopolitodus plicatilis4
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Mammalia | |
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Ensidelphis riveroi n. gen. n. sp.1
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Reptilia | |
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Aves | |
Palaeospheniscus sp. Moreno and Mercerat 1891 penguin |