The historical biogeography of mammalia

Mark S. Springer, Robert Meredith, Jan E. Janecka, William J. Murphy

Research output: Contribution to journalArticleResearchpeer-review

57 Citations (Scopus)

Abstract

Palaeobiogeographic reconstructions are underpinned by phylogenies, divergence times and ancestral area reconstructions, which together yield ancestral area chronograms that provide a basis for proposing and testing hypotheses of dispersal and vicariance. Methods for area coding include multi-state coding with a single character, binary coding with multiple characters and string coding. Ancestral reconstruction methods are divided into parsimony versus Bayesian/likelihood approaches. We compared nine methods for reconstructing ancestral areas for placental mammals. Ambiguous reconstructions were a problem for all methods. Important differences resulted from coding areas based on the geographical ranges of extant species versus the geographical provenance of the oldest fossil for each lineage. Africa and South America were reconstructed as the ancestral areas for Afrotheria and Xenarthra, respectively. Most methods reconstructed Eurasia as the ancestral area for Boreoeutheria, Euarchontoglires and Laurasiatheria. The coincidence of molecular dates for the separation of Afrotheria and Xenarthra at approximately 100 Ma with the plate tectonic sundering of Africa and South America hints at the importance of vicariance in the early history of Placentalia. Dispersal has also been important including the origins of Madagascar's endemic mammal fauna. Further studies will benefit from increased taxon sampling and the application of new ancestral area reconstruction methods.

Original languageEnglish
Pages (from-to)2478-2502
Number of pages25
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume366
Issue number1577
DOIs
StatePublished - 1 Jan 2011

Fingerprint

Mammals
Mammalia
biogeography
Xenarthra
Tectonics
South America
Sampling
Testing
methodology
mammals
Madagascar
Bayes Theorem
Eurasia
tectonics
Phylogeny
provenance
fossils
History
fauna
history

Keywords

  • Ancestral areas
  • Dispersal
  • Historical biogeography
  • Mammalia
  • Vicariance

Cite this

Springer, Mark S. ; Meredith, Robert ; Janecka, Jan E. ; Murphy, William J. / The historical biogeography of mammalia. In: Philosophical Transactions of the Royal Society B: Biological Sciences. 2011 ; Vol. 366, No. 1577. pp. 2478-2502.
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The historical biogeography of mammalia. / Springer, Mark S.; Meredith, Robert; Janecka, Jan E.; Murphy, William J.

In: Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 366, No. 1577, 01.01.2011, p. 2478-2502.

Research output: Contribution to journalArticleResearchpeer-review

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