• Marcelo Reguero
  • Francisco Goin
  • Carolina Acosta Hospitaleche
  • Sergio Marenssi
  • Tania Dutra
Part of the SpringerBriefs in Earth System Sciences book series (BRIEFSEARTHSYST)


One of the most intriguing paleobiogeographical phenomena related to the final stage of Gondwanan breakup is the close similarities and, in most cases, inferred sister-group relationships, of a number of terrestrial and marine/coastal vertebrate taxa recovered from Paleogene deposits of West Antarctica with those from other continents (South America, Australia). These continents are today separated by large and deep ocean floors, which was not the case in the geological past. However, the inferred timing of continental separation does not always match with the inferred time of vertebrate dispersals.


Antarctic Peninsula Land Bridge Fildes Peninsula Transitional Environment Paleogene Deposit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



Antarctic Circumpolar Current


Eocene–Oligocene boundary


Institute of Biology, University of Białystok, Poland




Vertebrate Paleontology collections, Museo de la Plata (UNLP), Argentina




South American Land-Mammal Age


South America


South American native ungulates


Scanning electron micrograph




West Antarctica


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Copyright information

© The Author(s) 2013

Authors and Affiliations

  • Marcelo Reguero
    • 1
  • Francisco Goin
    • 1
  • Carolina Acosta Hospitaleche
    • 1
  • Sergio Marenssi
    • 2
  • Tania Dutra
    • 3
  1. 1.División Paleontología de VertebradosMuseo de La PlataLa PlataArgentina
  2. 2.Instituto Antártico ArgentinoBuenos AiresArgentina
  3. 3.SINOS—UNISINOSUniversidade do Vale do Rio dosSao LeopoldoBrazil

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