Late Mesozoic marine Antarctic fishes: future perspectives based on the newly collections recovered in the Ameghino and López de Bertodano Formations

Authors

  • Soledad Gouiric-Cavalli División Paleontología Vertebrados, Museo de La Plata, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, B1900FWA, La Plata, Buenos Aires, Argentina.
  • Leonel Acosta Burllaile División Paleontología Vertebrados, Museo de La Plata, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, B1900FWA, La Plata, Buenos Aires, Argentina.
  • Ari Iglesias CONICET, Consejo de Investigaciones Científicas y Técnicas, Godoy Cruz 2290 C1425FQB, Ciudad Autónoma de Buenos Aires, Argentina.
  • Juan J. Moly División Paleontología Vertebrados, Museo de La Plata, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, B1900FWA, La Plata, Buenos Aires, Argentina.
  • José P. O´Gorman División Paleontología Vertebrados, Museo de La Plata, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, B1900FWA, La Plata, Buenos Aires, Argentina.
  • Marcelo Reguero Instituto Antártico Argentino, Campus Miguelete, 25 de Mayo 1151, 3° piso B1650HMK, San Martín, Buenos Aires, Argentina.
  • Sergio Santillana Instituto Antártico Argentino, Campus Miguelete, 25 de Mayo 1151, 3° piso B1650HMK, San Martín, Buenos Aires, Argentina.
  • Marianella Talevi Instituto de Investigación en Paleobiología y Geología Universidad Nacional de Río Negro, Av. Roca 1242, R8332EXZ General Roca, Río Negro, Argentina
  • Carolina Vieytes División Zoología Vertebrados Museo de La Plata, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s/n, B1900FWA, La Plata, Buenos Aires, Argentina.
  • Mauricio A. Bigurrarena Ojeda Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Calle 122 y 60, B1900FWA, La Plata, Buenos Aires, Argentina.
  • Jorge Lusky Instituto Antártico Argentino, Campus Miguelete, 25 de Mayo 1151, 3° piso B1650HMK, San Martín, Buenos Aires, Argentina.

Keywords:

Actinopterygii, Chondrichthyes, Jurassic, Cretaceous, Antarctic Peninsula

Abstract

Nowadays, notothenioids are the teleostean group that dominates marine Antarctic waters. However, during the Mesozoic a diverse ichthyofauna inhabited the sea that surrounded Antarctic. We present the preliminary results of the last two Argentinian Antarctic field expedition to the Late Jurassic of Antactic Peninsula (Longing Gape) and Cretaceous-Paleogene of Seymour (=Marambio) Island. The fish material recovered is extremely abundant and their further detailed study may provide significant clues into the taxonomy and paleobiogeography of the mesozoic antactic ichthyofaunas.

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30-06-2017

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Vol. 3 No. 1 (2017): JANUARY - JUNE

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