Evolutionary history of Caribbean species of Myotis,with evidence of a third Lesser Antillean endemic |
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Authors: | Roxanne J. Larsen Peter A. Larsen Hugh H. Genoways Francois M. Catzeflis Keith Geluso Gary G. Kwiecinski Scott C. Pedersen Fernando Simal Robert J. Baker |
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Affiliation: | 1. Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409-3131, USA;2. University of Nebraska State Museum, W436 Nebraska Hall, Lincoln, NE 68588-0514, USA;3. Laboratoire de Paléontologie, Paléobiologie et Phylogenie-CC064, Institut des Sciences de l’Evolution UMR 5554/CNRS, Université Montpellier II, Place E. Bataillon, Montpellier Cedex 05, France;4. Department of Biology, University of Nebraska at Kearney, Kearney, NE 68849-1140, USA;5. Biology Department, The University of Scranton, Scranton, PA 18510-4625, USA;6. Department of Biology/Microbiology, South Dakota State University, Brookings, SD 57006-0011, USA;7. Natural and Historic Resources Unit, STINAPA Bonaire, Barkadera, Bonaire, Netherlands Antilles |
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Abstract: | Currently, four species of Myotis are known from the islands of the Caribbean (Myotis dominicensis, M. martiniquensis, M. nesopolus, and M. nigricans). Myotis dominicensis and M. martiniquensis are endemic to the Lesser Antilles, whereas M. nesopolus and M. nigricans are considered conspecific with mainland populations. Recent phylogenetic and phylogeographic studies provided hypotheses regarding the origin and diversification of M. dominicensis and M. martiniquensis. However, these studies focused primarily on convergent morphology or distribution patterns of this genus and not on the evolutionary history of Caribbean Myotis. Here, we explore variation across multiple datasets generated from Caribbean Myotis. We present morphologic and genetic (mitochondrial and nuclear) data from an extensive sample of Caribbean Myotis species, including the previously unsampled taxa M. martiniquensis nyctor and M. nesopolus. Our data indicate that the historically recognized subspecies M. m. nyctor is genetically and morphologically distinct from M. martiniquensis, warranting recognition of a third Caribbean endemic—Myotis nyctor. Moreover, we provide evidence of unrecognized species-level variation in Caribbean and northern South American populations of Myotis. |
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