Vertebrados e invertebrados fósiles en la Costa Atlántica de la Provincia de Buenos Aires, Argentina. Edad y paleoambientes
; Bogan, Sergio
; Lucero, Sergio
; Chimento, Nicolás Roberto
; Santelli, María Belén
; Alvarez, Maximiliano Jorge
; Perez, Damián
; Gambetta, Diego H. Otros responsables
Fecha
05/2024
Editorial
Fundación Miguel Lillo
Revista
Acta Geológica Lilloana
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1852-6217
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Los vertebrados fósiles de las líneas costeras marinas a lo largo de la costa atlánticade la provincia de Buenos Aires, en el este de Argentina, son bien conocidos desdeel siglo XIX. A pesar de ser frecuentes a lo largo de la costa del área de Cabo SanAntonio, la descripción de los vertebrados e invertebrados fósiles encontrados a lolargo de la costa permanece casi sin documentar y su descripción ha sido mayormenteanecdótica. El objetivo de la presente contribución es describir una gran colecciónde fósiles encontrados a lo largo de la playa de varias localidades en el área del cabo de San Antonio. Los fósiles incluyen una mezcla de animales terrestres y marinosque probablemente pertenecen a la Formación Pozo 10 (aproximadamente 120.000años antes del presente), correlacionable con el evento transgresivo marino conocidocomo “Belgranense”. Varios fósiles sugieren aguas cálidas, reminiscentes de las queocurren hoy en día en el norte de Brasil. Los fósiles aquí reportados son muy similaresa los de los conjuntos de fósiles costeros encontrados en el sur de Brasil, Uruguayy el sur de la provincia de Buenos Aires, lo que sugiere algún tipo de continuidadfaunística y ambiental a lo largo de las costas del sur durante el Pleistoceno Medio.
Fossil vertebrates from marine shorelines along the Atlantic coast of Buenos Aires province, Eastern Argentina, are well-known since the 19th century. In spite of being frequent along the coast of the Cabo San Antonio area, the description of fossil vertebrates and invertebrates found along the coast remains almost undocumented and its description has been almost anecdotal. The aim of the present contribution is to describe a large collection of fossils found along the beach of several localities at the cabo de San Antonio Area. The fossils include a mixture of terrestrial and marine animals that in all probability belong to shelf platform beds from the Pozo 10 Formation (ca 120.000 YBP), correlated with the marine transgressive event known as “Belgranense”. Several fossils suggest warm waters, reminiscent of those occurring today in northern Brazil. The fossils here reported are very similar to those of coastal fossiliferous assemblages found in southern Brazil, Uruguay, and southern Buenos Aires province, suggesting some kind of faunistic continuity along the southern coasts during the Middle Pleistocene.
Fossil vertebrates from marine shorelines along the Atlantic coast of Buenos Aires province, Eastern Argentina, are well-known since the 19th century. In spite of being frequent along the coast of the Cabo San Antonio area, the description of fossil vertebrates and invertebrates found along the coast remains almost undocumented and its description has been almost anecdotal. The aim of the present contribution is to describe a large collection of fossils found along the beach of several localities at the cabo de San Antonio Area. The fossils include a mixture of terrestrial and marine animals that in all probability belong to shelf platform beds from the Pozo 10 Formation (ca 120.000 YBP), correlated with the marine transgressive event known as “Belgranense”. Several fossils suggest warm waters, reminiscent of those occurring today in northern Brazil. The fossils here reported are very similar to those of coastal fossiliferous assemblages found in southern Brazil, Uruguay, and southern Buenos Aires province, suggesting some kind of faunistic continuity along the southern coasts during the Middle Pleistocene.
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