Article (Scientific journals)
A new genus of rodent from wallacea (Rodentia: Muridae: Murinae: Rattini), and its implication for biogeography and Indo-Pacific Rattini systematics
Fabre, P.-H.; Pagès, Marie; Musser, G. G. et al.
2013In Zoological Journal of the Linnean Society, 169 (2), p. 408-447
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Keywords :
Biodiversity; Biogeography; Indo-pacific; Molecular systematics; Morphology; Rattini; Wallacea.
Abstract :
[en] We describe Halmaheramys bokimekot Fabre, Pagès, Musser, Fitriana, Semiadi & Helgen gen. et sp. nov., a new genus and species of murine rodent from the North Moluccas, and study its phylogenetic placement using both molecular and morphological data. We generated a densely sampled mitochondrial and nuclear DNA data set that included most genera of Indo-Pacific Murinae, and used probabilistic methodologies to infer their phylogenetic relationships. To reconstruct their biogeographical history, we first dated the topology and then used a Lagrange analysis to infer ancestral geographic areas. Finally, we combined the ancestral area reconstructions with temporal information to compare patterns of murine colonization among Indo-Pacific archipelagos. We provide a new and comprehensive molecular phylogenetic reconstruction for Indo-Pacific Murinae, with a focus on the Rattus division. Using previous results and those presented in this study, we define a new Indo-Pacific group within the Rattus division, composed of Bullimus, Bunomys, Paruromys, Halmaheramys, Sundamys, and Taeromys. Our phylogenetic reconstructions revealed a relatively recent diversification from the Middle Miocene to Plio-Pleistocene associated with several major dispersal events. We identified two independent Indo-Pacific dispersal events from both western and eastern Indo-Pacific archipelagos to the isolated island of Halmahera, which led to the speciations of H. bokimekot gen. et sp. nov. and Rattus morotaiensis Kellogg, 1945. We propose that a Middle Miocene collision between the Halmahera and Sangihe arcs may have been responsible for the arrival of the ancestor of Halmaheramys to eastern Wallacea. Halmaheramys bokimekot gen. et sp. nov. is described in detail, and its systematics and biogeography are documented and illustrated. © 2013 The Linnean Society of London, Zoological Journal of the Linnean Society.
Disciplines :
Zoology
Author, co-author :
Fabre, P.-H.;  Center for Macroecology, Evolution and Climate CMEC, Department of Biology, Zoological Museum, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
Pagès, Marie ;  Université de Liège - ULiège > Département des sciences de la vie > Génétique et physiologie des microalgues
Musser, G. G.;  Division of Vertebrate Zoology (Mammalogy), American Museum of Natural History, New York, NY 10024, United States, 494 Wallace Drive, Charleston, SC 29412, United States
Fitriana, Y. S.;  Museum Zoologicum Bogoriense, Research Center For Biology, Indonesian Institute of Sciences (LIPI), Jl.Raya Jakarta-Bogor Km.46, Cibinong 16911, Indonesia
Fjeldså, J.;  Center for Macroecology, Evolution and Climate CMEC, Department of Biology, Zoological Museum, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
Jennings, A.;  Muséum National d'Histoire Naturelle, Département Systématique et Evolution CP 51, 57 Rue Cuvier, 75231 Paris, France
Jønsson, K. A.;  Center for Macroecology, Evolution and Climate CMEC, Department of Biology, Zoological Museum, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
Kennedy, J.;  Center for Macroecology, Evolution and Climate CMEC, Department of Biology, Zoological Museum, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark
Michaux, Johan  ;  Université de Liège - ULiège > Département des sciences de la vie > Génétique et physiologie des microalgues
Semiadi, G.;  Museum Zoologicum Bogoriense, Research Center For Biology, Indonesian Institute of Sciences (LIPI), Jl.Raya Jakarta-Bogor Km.46, Cibinong 16911, Indonesia
Supriatna, N.;  Museum Zoologicum Bogoriense, Research Center For Biology, Indonesian Institute of Sciences (LIPI), Jl.Raya Jakarta-Bogor Km.46, Cibinong 16911, Indonesia
Helgen, K. M.;  National Museum of Natural History, Smithsonian. Institution, P.O. Box 37012, MRC 108, Washington, DC 20013-7012, United States
Language :
English
Title :
A new genus of rodent from wallacea (Rodentia: Muridae: Murinae: Rattini), and its implication for biogeography and Indo-Pacific Rattini systematics
Publication date :
2013
Journal title :
Zoological Journal of the Linnean Society
ISSN :
0024-4082
eISSN :
1096-3642
Publisher :
Blackwell, Oxford, United Kingdom
Volume :
169
Issue :
2
Pages :
408-447
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 December 2014

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