Zamaca (Oligocene to of Peru)

Where: Ica, Peru (14.7° S, 75.6° W: paleocoordinates 15.8° S, 70.8° W)

• coordinate based on unpublished field data

When: Chilcatay Formation, Late/Upper Oligocene to Late/Upper Oligocene (28.4 - 13.8 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.

• 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

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Squatiniformes - Squatinidae
Squatina sp.1 Dumeril 1806 angel shark
 Odontaspidida - Alopiidae
Alopias cf. vulpinus1 Bonnaterre 1788 thresher shark
Alopias superciliosus1 Lowe 1840 thresher shark
 Odontaspidida - Jaekelotodontidae
Anotodus agassizii1 Le Hon 1871 elasmobranch
 Odontaspidida - Carcharodontidae
Cosmopolitodus plicatilis1 Agassiz 1843 elasmobranch
Cosmopolitodus hastalis1 Agassiz 1843 elasmobranch
 Myliobatiformes - Dasyatidae
Dasyatidae indet.1 Jordan 1888 whiptail stingray
 Myliobatiformes -
 Pristiformes - Pristidae
cf. Anoxypristis sp.1 White and Moy-Thomas 1941 sawfish
 Lamniformes - Otodontidae
Parotodus benedeni1 Le Hon 1871 mackerel shark
Carcharocles chubutensis1 Agassiz 1843 mackerel shark
Megalolamna paradoxodon1 Shimada et al. 2017 mackerel shark
 Lamniformes - Lamnidae
Isurus oxyrinchus1 Rafinesque 1810 mako shark
 Lamniformes - Megachasmidae
Megachasma cf. applegatei1 Shimada et al. 2014 mackerel shark
 Lamniformes - Odontaspididae
Carcharias sp.1 Rafinesque 1810 sand shark
 Carchariniformes - Carcharhinidae
Negaprion brevirostris1 Poey 1868 lemon shark
"Physogaleus contortus" = Galeocerdo contortus1 Gibbes 1848 tiger shark
Galeocerdo aduncus1 Agassiz 1843 tiger shark
Carcharhinus brachyurus1 Gunther 1870 requiem shark
Carcharhinus cf. leucas1 Valenciennes 1839 requiem shark
 Carchariniformes - Sphyrnidae
Sphyrna zygaena1 Linnaeus 1758 hammerhead shark
 Carchariniformes - Hemigaleidae
Hemipristis serra1 Agassiz 1843 ground shark
Aves
 Sphenisciformes -
Palaeospheniscus sp. Moreno and Mercerat 1891 penguin
Mammalia
 Carnivora -
Pinnipedia indet.2 Illiger 1811 pinniped