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n2:421884

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schema:CreativeWork bibo:Document

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Siles & Baker (2020)

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schema:datePublished

2020-01-01

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Siles & Baker (2020)

dct:abstract

The systematics and taxonomy of the Neotropical genusMicronycterisare 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), four molecular markers were concatenated, one mitochondrial (cytb), one nuclear (Fgb-I7), and two Y-chromosomal (DBY5andDBY7). In the Bayesian and maximum likelihood analyses, the recognized subgeneraSchizonycteris,Leuconycteris,Xenoctenes, andMicronycteriswere recovered as monophyletic. The pale-bellied subgenera,SchizonycterisandLeuconycteris, were not sister clades; thus, venter coloration was not monophyletic.Leuconycteriswas sister to the dark-belliedMicronycteris, andSchizonycteriswas sister to the rest of the genus.Micronycteris schmidtorumwas genetically defined for the first time, and it was determined all previous phylogenetic studies used a misidentifiedM. minutafrom Bolivia. Our results showed a sister relationship betweenM. schmidtorumandM. brosseti, which redefinesLeuconycteris. The subgenusSchizonycteriswas also redefined, and it presented two well-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 forM. schmidtorum.

bibo:abstract

The systematics and taxonomy of the Neotropical genusMicronycterisare 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), four molecular markers were concatenated, one mitochondrial (cytb), one nuclear (Fgb-I7), and two Y-chromosomal (DBY5andDBY7). In the Bayesian and maximum likelihood analyses, the recognized subgeneraSchizonycteris,Leuconycteris,Xenoctenes, andMicronycteriswere recovered as monophyletic. The pale-bellied subgenera,SchizonycterisandLeuconycteris, were not sister clades; thus, venter coloration was not monophyletic.Leuconycteriswas sister to the dark-belliedMicronycteris, andSchizonycteriswas sister to the rest of the genus.Micronycteris schmidtorumwas genetically defined for the first time, and it was determined all previous phylogenetic studies used a misidentifiedM. minutafrom Bolivia. Our results showed a sister relationship betweenM. schmidtorumandM. brosseti, which redefinesLeuconycteris. The subgenusSchizonycteriswas also redefined, and it presented two well-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 forM. schmidtorum.

dct:issued

2020-01-01

dct:bibliographicCitation

Siles, L. &amp; Baker, R. 2020. Revision of the pale-bellied <em>Micronycteris </em>Gray, 1866 (Chiroptera, Phyllostomidae) with descriptions of two new species. <em>Journal of Zoological Systematics and Evolutionary Research</em>, 58(4): 1411-1431.