Quebrada Caracoles, Caracoles Formation (Pliocene of Peru)

Where: Peru (15.1° S, 75.0° W: paleocoordinates 15.5° S, 76.7° W)

When: Caracoles Formation, Piacenzian (3.6 - 2.6 Ma)

Environment/lithology: estuary or bay; massive, bioturbated, brown, green sandstone and limestone

• green olive-to-brown medium-grained massive and bioturbated sandstones, interbedded with indurated coquina beds containing bivalves, gastropods, and barnacles

Size class: macrofossils

Primary reference: J. C. Wickert, S. M. von Eye, L. R. Oliveira and I. B. Moreno. 2016. Revalidation of Tursiops gephyreus Lahille, 1908 (Cetartiodactyla: Delphinidae) from the southwestern Atlantic Ocean. Journal of Mammalogy 97(6):1728-1737 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 219058: authorized by Mark Uhen, entered by Mark Uhen on 15.03.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

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Chondrichthyes
 Carcharhiniformes - Triakidae
Galeorhinus sp.
Galeorhinus sp. de Blainville and Prévost 1816 school shark
 Carcharhiniformes - Carcharhinidae
Carcharhinus sp.
Carcharhinus sp. de Blainville 1816 requiem shark
 Lamniformes - Lamnidae
Isurus sp., Carcharodon sp.
Isurus sp. Rafinesque 1810 mackerel shark
Carcharodon sp. Smith 1838 white shark
 Lamniformes - Alopiidae
Alopias sp.
Alopias sp. Rafinesque 1810 thresher shark
 Hexanchiformes - Hexanchidae
Notorhynchus sp.
Notorhynchus sp. Ayres 1855 sevengill shark
Aves
 Suliformes - Sulidae
Sula sp.
Sula sp. Brisson 1760 booby
 Sphenisciformes - Spheniscidae
Spheniscus sp.
Spheniscus sp. Brisson 1760 penguin
 Procellariiformes - Procellariidae
Puffinini indet.
Mammalia
 Carnivora - Otariidae
? Hydrarctos sp., Arctocephalus sp.
? Hydrarctos sp. Muizon 1978 eared seal
Arctocephalus sp. Cuvier 1826 fur seal
 Carnivora - Odobenidae
Odobenidae indet.
Odobenidae indet. Allen 1880 walrus
 Cetacea - Balaenopteridae
Balaenoptera sp.
Balaenoptera sp. Lacépède 1804 rorqual
 Cetacea - Delphinidae
Delphininae indet., Stenella sp.
Delphininae indet. Flower 1867 dolphin
Stenella sp. Gray 1866 dolphin