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J Syst Palaeontol. 2017;15(2):147-170. doi: 10.1080/14772019.2016.1151958. Epub 2016 Mar 16.

Before the freeze: otoliths from the Eocene of Seymour Island, Antarctica, reveal dominance of gadiform fishes (Teleostei).

Journal of systematic palaeontology

Werner Schwarzhans, Thomas Mörs, Andrea Engelbrecht, Marcelo Reguero, Jürgen Kriwet

Affiliations

  1. Ahrensburger Weg 103, D-22359 Hamburg, Germany; Natural History Museum of Denmark, Zoological Museum, Universitetsparken 15, DK-2100 Copenhagen, Denmark.
  2. Swedish Museum of Natural History, Department of Palaeobiology, P.O. Box 5007, SE-10405 Stockholm, Sweden.
  3. University of Vienna, Department of Palaeontology, Althanstrasse 14, 1090 Vienna, Austria.
  4. Museo de La Plata, División Paleontología de Vertebrados, Paseo del Bosque s/n, B1900FWA La Plata, Argentina.

PMID: 28077930 PMCID: PMC5221741 DOI: 10.1080/14772019.2016.1151958

Abstract

The first record of fossil teleostean otoliths from Antarctica is reported. The fossils were obtained from late Early Eocene shell beds of the La Meseta Formation, Seymour Island that represent the last temperate marine climate phase in Antarctica prior to the onset of cooling and subsequent glaciation during the late Eocene. A total of 17 otolith-based teleost taxa are recognized, with 10 being identifiable to species level containing nine new species and one new genus:

Keywords: Antarctica; Eocene; Gadiformes; Macrouridae; Macruronus; temperate climate

References

  1. Naturwissenschaften. 2008 Oct;95(10):899-907 - PubMed
  2. Science. 2011 May 27;332(6033):1076-9 - PubMed
  3. Proc Natl Acad Sci U S A. 2014 May 6;111(18):6582-7 - PubMed

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