安第斯山猫属(Lynchius Hedges, Duellman, and Heinicke 2008)的分子系统发育与分类(无尾目:野猫科)

IF 1.1 2区 生物学 Q3 ZOOLOGY Herpetological Monographs Pub Date : 2016-12-06 DOI:10.1655/HERPMONOGRAPHS-D-16-00002
A. P. Motta, J. C. Chaparro, José P. Pombal Jr., Juan M. Guayasamin, I. J. De la Riva, J. Padial
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引用次数: 10

摘要

摘要:研究了分布在秘鲁北部和厄瓜多尔南部安第斯山脉的山林和云雾林中的四种蛙属Lynchius的物种关系,并根据解剖特征和推断关系的比较分析评估了物种多样性。系统发育分析依赖于约7000个碱基对的mtDNA和nuDNA序列,使用相似性比对和树比对比对,并在最大似然和简约标准下进行优化。根据推测,Lynchius是分布广泛的Oreobates属的姐妹类群,而这个分支是安第斯山脉高海拔的Phrynopus属的姐妹类群。我们的分析证实了不同的物种Lynchius simmonsi是该分支的一部分,并将其作为Lynchius剩余物种的姐妹群。简约分析和最大似然分析在林属的内部关系上对L. flavomaculatus、L. nebulanastes和L. parkeri的位置存在差异,但支持两个未命名物种的存在。外部形态比较为这两个新种提供了诊断特征,本文对其进行了命名和描述。林鸡(Lynchius tabaconas)是L. flavomaculatus的姐妹,生长在秘鲁卡哈马卡州Santuario Nacional tabaconas - namballe云雾林中约2800米的地方。在简约分析中,它是由L. flavomaculatus和L. tabaconas组成的分支的姐妹,在最大似然分析中,它是L. nebulanastes的姐妹。我们提供了6种和属的新诊断,以及一些自然史注释。
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Molecular Phylogenetics and Taxonomy of the Andean Genus Lynchius Hedges, Duellman, and Heinicke 2008 (Anura: Craugastoridae)
Abstract We infer species relationships within Lynchius, a frog genus with four species distributed along the paramos and cloud forests of the Andes of northern Peru and southern Ecuador, and assess species diversity in light of comparative analyses of anatomical traits and inferred relationships. Phylogenetic analyses rely on ~7000 base pairs of mtDNA and nuDNA sequences aligned using similarity-alignment and tree-alignment and optimized under maximum likelihood and parsimony criteria. Inferred relationships place Lynchius as the sister group of the widespread genus Oreobates and this clade as the sister group of the high Andean genus Phrynopus. Our analyses corroborate the dissimilar species Lynchius simmonsi as part of this clade and place it as the sister group of the remaining species of Lynchius. Parsimony and maximum likelihood analyses differ in the internal relationships of Lynchius with respect to the placement of L. flavomaculatus, L. nebulanastes, and L. parkeri, but support the existence of two unnamed species. External morphological comparisons provide diagnostic characters for the two new species, which are named and described herein. Lynchius tabaconas is sister to L. flavomaculatus and occurs at ~2800 m in the cloud forests of Santuario Nacional Tabaconas-Namballe, Cajamarca, Peru. Lynchius oblitus occurs in the same area but at a higher elevation (~3300 m) and is sister to a clade formed by L. flavomaculatus and L. tabaconas in parsimony analyses and to L. nebulanastes in maximum likelihood analyses. We provide a new diagnosis for each of the six species and for the genus, as well as some natural history notes.
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来源期刊
Herpetological Monographs
Herpetological Monographs 生物-动物学
CiteScore
5.40
自引率
0.00%
发文量
2
审稿时长
>12 weeks
期刊介绍: Since 1982, Herpetological Monographs has been dedicated to original research about the biology, diversity, systematics and evolution of amphibians and reptiles. Herpetological Monographs is published annually as a supplement to Herpetologica and contains long research papers, manuscripts and special symposia that synthesize the latest scientific discoveries.
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