Project 763: L. Siles, R. J. Baker. 2020. Revision of the paleā€bellied Micronycteris Gray, 1866 (Chiroptera, Phyllostomidae) with descriptions of two new species. Journal of Zoological Systematics and Evolutionary Research. Early View:null.
Specimen: Micronycteris yatesi Siles and Brooks, 2013 (MHNC-M:157)
View: lateral view


The systematics and taxonomy of the Neotropical genus Micronycteris are not yet resolved; previous studies evidenced paraphyletic relationships, a number of potential undescribed species, and inadequate diagnostic characters. This revision focuses on the pale-bellied members of the genus using phylogenetic and morphometric tools, an increased sample size with all recognized taxa, and an expanded geographic coverage relative to prior studies. For the genetic analyses (n = 166), 4 molecular markers were concatenated, 1 mitochondrial (cytb), 1 nuclear (Fgb-I7), and 2 Y-chromosomal (DBY5 and DBY7). In the Bayesian and maximum likelihood analyses the recognized subgenera Schizonycteris, Leuconycteris, Xenoctenes, and Micronycteris were recovered as monophyletic. The pale-bellied subgenera, Schizonycteris and Leuconycteris, were not sister clades, thus venter coloration was not monophyletic. Leuconycteris was sister to the dark-bellied Micronycteris, and Schizonycteris was sister to the rest of the genus. Micronycteris schmidtorum was genetically defined for the first time, and it was determined all previous phylogenetic studies used a misidentified M. minuta from Bolivia. Our results showed a sister relationship between M. schmidtorum and M. brosseti, which redefines Leuconycteris. The subgenus Schizonycteris was also redefined, it presented two statistically supported clades from Central America and western Ecuador that are described as new species. Results are supported by a multivariate morphometric analyses (n = 114), karyological, and morphological comparisons. The taxonomic implications are discussed and emended diagnoses presented for the pale-bellied subgenera and for M. schmidtorum.

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Article DOI: 10.1111/jzs.12388

Project DOI: 10.7934/P763,
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    Authors' Institutions

    • Texas Tech University


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    Lizette Siles Mendoza
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