Formation of the Isthmus of Panama | Zendy

Aaron O’Dea | Zendy; H. A. Lessios | Zendy; Anthony G. Coates | Zendy; Ron I. Eytan | Zendy; Sergio A. Restrepo-Moreno | Zendy; Alberto Luis Cione | Zendy; Laurel S. Collins | Zendy; Alan de Queiroz | Zendy; David W. Farris | Zendy; Richard D. Norris | Zendy; Robert F. Stallard | Zendy; Michael O. Woodburne | Zendy; Orangel Aguilera | Zendy; MariePierre Aubry | Zendy; William A. Berggren | Zendy; Ann F. Budd | Zendy; Mário Alberto Cozzuol | Zendy; Simon E. Coppard | Zendy; Herman Duque-Caro | Zendy; Seth Finnegan | Zendy; Germán Mariano Gasparini | Zendy; Ethan L. Grossman | Zendy; Kenneth G. Johnson | Zendy; Lloyd D Keigwin | Zendy; Nancy­ Knowlton­ | Zendy; Egbert Giles Leigh | Zendy; Jill S. LeonardPingel | Zendy; Peter B. Marko | Zendy; Nicholas D. Pyenson | Zendy; Paola G. Rachello-Dolmen | Zendy; Esteban Soibelzon | Zendy; Leopoldo Héctor Soibelzon | Zendy; Jonathan A. Todd | Zendy; Geerat J. Vermeij | Zendy; Jeremy B. C. Jackson | Zendy

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Formation of the Isthmus of Panama

Author(s) -

Aaron O’Dea,

H. A. Lessios,

Anthony G. Coates,

Ron I. Eytan,

Sergio A. Restrepo-Moreno,

Alberto Luis Cione,

Laurel S. Collins,

Alan de Queiroz,

David W. Farris,

Richard D. Norris,

Robert F. Stallard,

Michael O. Woodburne,

Orangel Aguilera,

MariePierre Aubry,

William A. Berggren,

Ann F. Budd,

Mário Alberto Cozzuol,

Simon E. Coppard,

Herman Duque-Caro,

Seth Finnegan,

Germán Mariano Gasparini,

Ethan L. Grossman,

Kenneth G. Johnson,

Lloyd D Keigwin,

Nancy Knowlton,

Egbert Giles Leigh,

Jill S. LeonardPingel,

Peter B. Marko,

Nicholas D. Pyenson,

Paola G. Rachello-Dolmen,

Esteban Soibelzon,

Leopoldo Héctor Soibelzon,

Jonathan A. Todd,

Geerat J. Vermeij,

Jeremy B. C. Jackson

Publication year - 2016

Publication title -

science advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.928

H-Index - 146

ISSN - 2375-2548

DOI - 10.1126/sciadv.1600883

Subject(s) - panama , paleontology , geology , narrative , biology , evolutionary biology , ecology , art , literature

The formation of the Isthmus of Panama stands as one of the greatest natural events of the Cenozoic, driving profound biotic transformations on land and in the oceans. Some recent studies suggest that the Isthmus formed many millions of years earlier than the widely recognized age of approximately 3 million years ago (Ma), a result that if true would revolutionize our understanding of environmental, ecological, and evolutionary change across the Americas. To bring clarity to the question of when the Isthmus of Panama formed, we provide an exhaustive review and reanalysis of geological, paleontological, and molecular records. These independent lines of evidence converge upon a cohesive narrative of gradually emerging land and constricting seaways, with formation of the Isthmus of Panama sensu stricto around 2.8 Ma. The evidence used to support an older isthmus is inconclusive, and we caution against the uncritical acceptance of an isthmus before the Pliocene.

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