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Melody Puckridge, Peter R. Last, William T. White and Nikos Andreakis Phylogeography of the Indo-West Pacific maskrays (Dasyatidae, Neotrygon): a complex example of chondrichthyan radiation in the Cenozoic Ecology and Evolution 3

Version of Record online: 20 DEC 2012 | DOI: 10.1002/ece3.448

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We used molecular phylogenetics and phylogeography to assess the evolutionary history of Neotrygon Maskrays (Dasyatidae) across the geologically and climatically dynamic tropical Indo-West Pacific. Molecular clock approximations suggest that the group may have arrived in the region via tectonic rafting and dispersed across the tropics. Sharp genetic breaks recovered within Neotrygon kuhlii, N.  annotata, and, to a lesser extent, N. ningalooensis are indicative of multiple cryptic speciation events likely due to glacio-eustatic sea-level oscillations responsible for vicariant divergences.

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