first bird remains from the eocene of algarrobo, central chile primeros restos de aves del eoceno de algarrobo, chile central
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2012
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Abstract
Paleogene records of birds in the Eastern margin of the Pacific Ocean have increased in recent years, being almost exclusively restricted to fossil Sphenisciformes (penguins). New avian remains (Ornithurae, Neornithes) from Middle-to-Late Eocene levels of the Estratos de Algarrobo unit, in Algarrobo, central Chile, are disclosed in the present work. These new finds are significant in representing the first non-spheniscid bird remains of Middle to Late Eocene age, recovered in mid-latitudes of the eastern Pacific and probably belonging to a procelarid. It complements the regional record of Eocene birds, previously known only at high-latitudes such as Seymour Island (Antarctica) and Magallanes (Chile), and low-latitude locations in Peru.Los registros de aves paleĂłgenas en el margen oriental del OcĂ©ano PacĂfico se han incrementado en los Ăşltimos años, estando casi exclusivamente restringidos a Sphenisciformes fĂłsiles (pingĂĽinos). Nuevos fĂłsiles avianos (Ornithurae, Neornithes) provenientes de niveles del Eoceno Medio a TardĂo de los Estratos de Algarrobo, en Algarrobo, Chile central, son dados a conocer en el presente trabajo. Estos nuevos hallazgos son significativos en representar los primeros restos de aves no-sphenĂscidos de edad Eoceno Medio a TardĂo, recuperadas en latitudes intermedias del PacĂfico oriental y probablemente pertenezcan a un procelárido. Este hallazgo complementa el registro regional del grupo durante el Eoceno, anteriormente conocido en localidades de altas latitudes como isla Seymour (Antártica) y Magallanes (Chile), y localidades de bajas latitudes en PerĂş.
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Authors | ;Roberto E Yury-Yáñez;Rodrigo A Otero;Sergio Soto-Acuña;Mario E Suárez;David Rubilar-Rogers;Michel Sallaberry |
Journal | the journal of physical chemistry a |
Year | 2012 |
DOI | 10.5027/andgeoV39n3-a010 |
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