A 60-million-year Cenozoic history of western Amazonian ecosystems in Contamana, eastern Peru

被引：140

作者：

Antoine, Pierre-Olivier ^{[1
]}

Alejandra Abello, M. ^{[2
,3
]}

Adnet, Sylvain ^{[1
]}

Altamirano Sierra, Ali J. ^{[4
]}

Baby, Patrice ^{[5
,6
]}

Billet, Guillaume ^{[7
]}

Boivin, Myriam ^{[1
]}

Calderon, Ysabel ^{[5
,6
]}

Candela, Adriana ^{[8
]}

Chabain, Jules ^{[1
]}

Corfu, Fernando ^{[9
]}

Croft, Darin A. ^{[10
]}

Ganerod, Morgan ^{[11
]}

Jaramillo, Carlos ^{[12
]}

Klaus, Sebastian ^{[13
]}

Marivaux, Laurent ^{[1
]}

Navarrete, Rosa E. ^{[14
]}

Orliac, Maeva J. ^{[1
]}

Parra, Francisco ^{[5
,14
]}

Encarnacion Perez, Maria ^{[15
,16
]}

Pujos, Francois ^{[17
]}

Rage, Jean-Claude ^{[7
]}

Ravel, Anthony ^{[1
]}

Robinet, Celine ^{[1
,8
]}

Roddaz, Martin ^{[5
]}

Victoria Tejada-Lara, Julia ^{[4
,18
,19
]}

Velez-Juarbe, Jorge ^{[20
,21
]}

Wesselingh, Frank P. ^{[22
]}

Salas-Gismondi, Rodolfo ^{[1
,4
]}

机构：

[1] Univ Montpellier, EPHE, IRD, Inst Sci Evolut,UMR CNRS 5554, Pl Eugene Bataillon, F-34095 Montpellier 5, France

[2] Museo La Plata, Lab Sistemat & Biol Evolut LASBE, Paseo Bosque S-N,B1900FWA, La Plata, Argentina

[3] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina

[4] Univ Nacl Mayor San Marcos, Museo Hist Nat, Dept Paleontol Vertebrados, Ave Arenales 1256, Lima 11, Peru

[5] Univ Toulouse, CNRS, LMTG, Geosci Environm Toulouse,UPS SVT OMP,IRD, 14 Ave Edouard Belin, F-31400 Toulouse, France

[6] Convenio IRD PeruPetro, Av Luis Aldana 320, Lima, Peru

[7] Univ Paris 06, Sorbonne Univ, CNRS, Museum Natl Hist Nat,MNHN,CR2P, CP 38,8 Rue Buffon, F-75231 Paris 05, France

[8] Museo La Plata, Div Paleontol Vertebrados, Paseo Bosque S-N,B1900FWA, La Plata, Argentina

[9] Univ Oslo, Dept Geosci, POB 1047 Blindem, NO-0316 Oslo, Norway

[10] Case Western Reserve Univ, Sch Med, Dept Anat, Cleveland, OH 44106 USA

[11] Geol Survey Norway, N-7491 Trondheim, Norway

[12] Smithsonian Trop Res Inst, Ctr Trop Paleoecol & Archeol, Balboa 084303092, Ancon Aa, Panama

[13] Goethe Univ Frankfurt, Dept Ecol & Evolut, Max von Laue Str 13, D-60438 Frankfurt, Germany

[14] Paleosedes EU, Tv 27 57-49 Campin, Bogota, Colombia

[15] Consejo Nacl Invest Cient & Tecn, Museo Paleontol Egidio Feruglio, Av Fontana 140, Trelew, Argentina

[16] Field Museum Nat Hist, 1400 Lake Shore Dr, Chicago, IL 60605 USA

[17] CCT CONICET Mendoza, IANIGLA, Ave Ruiz Leal S-N,Parque Gen San Martin, RA-5500 Mendoza, Argentina

[18] Columbia Univ, Lamont Doherty Earth Observ, Dept Earth & Environm Sci, Palisades, NY 10964 USA

[19] Amer Museum Nat Hist, Div Vertebrate Paleontol, New York, NY 10024 USA

[20] Nat Hist Museum Los Angeles Cty, Dept Mammal, Los Angeles, CA USA

[21] Natl Museum Nat Hist, Smithsonian Inst, Dept Paleobiol, Washington, DC 20560 USA

[22] Nat Biodivers Ctr, POB 9517, NL-2300 RA Leiden, Netherlands

来源：

GONDWANA RESEARCH | 2016年 / 31卷

关键词：

Fossil record; Paleobiology; Stratigraphy; Paleogeography; South America; MADRE-DE-DIOS; FORMATION LATE-MIOCENE; MIDDLE MIOCENE; FORELAND BASIN; SOUTH-AMERICA; CERREJON FORMATION; MARINE INCURSIONS; DYROSAURID CROCODYLOMORPHA; NORTHWESTERN AMAZONIA; YECUA FORMATION;

D O I：

10.1016/j.gr.2015.11.001

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We provide a synopsis of similar to 60 million years of life history in Neotropical lowlands, based on a comprehensive survey of the Cenozoic deposits along the Quebrada Cachiyacu near Contamana in Peruvian Amazonia. The 34 fossil bearing localities identified have yielded a diversity of fossil remains, including vertebrates, mollusks, arthropods, plant fossils, and microorganisms, ranging from the early Paleocene to the late Miocene-?Pliocene (>20 successive levels). This Cenozoic series includes the base of the Huchpayacu Formation (Fm.; early Paleocene; lacustrine/fluvial environments; charophyte-dominated assemblage), the Pozo Fm. (middle + ?late Eocene; marine then freshwater environments; most diversified biomes), and complete sections for the Chambira Fm. (late Oligocene-late early Miocene; freshwater environments; vertebrate-dominated faunas), the Pebas Fm. (late early to early late Miocene; freshwater environments with an increasing marine influence; excellent fossil record), and Ipururo Fm. (late Miocene-?Pliocene; fully fluvial environments; virtually no fossils preserved). At least 485 fossil species are recognized in the Contamana area (similar to 250 'plants', similar to 212 animals, and 23 foraminifera). Based on taxonomic lists from each stratigraphic interval, high-level taxonomic diversity remained fairly constant throughout the middle Eocene-Miocene interval (8-12 classes), ordinal diversity fluctuated to a greater degree, and family/species diversity generally declined, with a drastic drop in the early Miocene. The Paleocene-?Pliocene fossil assemblages from Contamana attest at least to four biogeographic histories inherited from (i) Mesozoic Gondwanan times, (ii) the Panamerican realm prior to (iii) the time of South America's Cenozoic "splendid isolation", and (iv) Neotropical ecosystems in the Americas. No direct evidence of any North American terrestrial immigrant has yet been recognized in the Miocene record at Contamana. (C) 2015 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.

引用

页码：30 / 59

页数：30

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