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Title

Deep under the sea: unraveling the evolutionary history of the deep-sea squat lobster Paramunida (Decapoda, Munididae)

AuthorsCabezas, Patricia ; Sanmartín, Isabel ; Paulay, Gustav; Macpherson, Enrique ; Machordom, Annie
KeywordsDiversification
Phylogenetics
Biogeographic parametric methods
Crustaceans
DEC model
Divergence times
Issue DateJun-2012
PublisherWiley-Blackwell
CitationEvolution 66(6): 1878-1986 (2012)
AbstractThe diversification of Indo-Pacific marine fauna has long captivated the attention of evolutionary biologists. Previous studies have mainly focused on coral reef or shallow water-associated taxa. Here, we present the first attempt to reconstruct the evolutionary history—phylogeny, diversification, and biogeography—of a deep-water lineage. We sequenced the molecular markers 16S, COI, ND1, 18S, and 28S for nearly 80% of the nominal species of the squat lobster genus Paramunida. Analyses of the molecular phylogeny revealed an accelerated diversification in the late Oligocene–Miocene followed by a slowdown in the rate of lineage accumulation over time. A parametric biogeographical reconstruction showed the importance of the southwest Pacific area, specifically the island arc of Fiji, Tonga, Vanuatu, Wallis, and Futuna, for diversification of squat lobsters, probably associated with the global warming, high tectonic activity, and changes in oceanic currents that took place in this region during the Oligocene– Miocene period. These results add strong evidence to the hypothesis that the Neogene was a period of major diversification for marine organisms in both shallow and deep waters.
Description9 páginas, 6 figuras, 3 tablas.
[EN] This adaptation text reproduces Chapter V of the dissertation “Results”: Sistemática e historia evolutiva de la Familia Galatheidae (Crustacea: Anomura) en el Pacífico Sur, of Patricia Cabezas (2010) http://hdl.handle.net/10261/134771
[ES] Este artículo es una adaptación del capítulo V de la tesis doctoral: Sistemática e historia evolutiva de la Familia Galatheidae (Crustacea: Anomura) en el Pacífico Sur, of Patricia Cabezas (2010) http://hdl.handle.net/10261/134771
Publisher version (URL)http://dx.doi.org/10.1111/j.1558-5646.2011.01560.x
URIhttp://hdl.handle.net/10261/51929
DOI10.1111/j.1558-5646.2011.01560.x
ISSN0014-3820
E-ISSN1558-5646
Appears in Collections:(CEAB) Artículos
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