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首页> 外文期刊>Zootaxa >Three new species of Neoplecostomus (Teleostei: Siluriformes: Loricariidae) from the Upper Rio Paraná basin of southeastern Brazil
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Three new species of Neoplecostomus (Teleostei: Siluriformes: Loricariidae) from the Upper Rio Paraná basin of southeastern Brazil

机译：来自巴西东南部上里拉巴拉那盆地的三种新近缘新物种（Teleostei：Siluriformes：Loricariidae）

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摘要

In this study, we describe three new species of the genus Neoplecostomus: N. bandeirante, from Salesópolis in the state of Sao Paulo, N. langeanii from Muzambinho, in the state of Minas Gerais, and N. botucatu from Botucatu, in the state of Sao Paulo. All of the described species are found in the Upper Rio Paraná basin. The new species are different from each other and from their nominal congeners in their mitochondrial DNA sequences (COI), morphology and meristic traits, in addition to their colorpatterns. Morphologically, N. bandeirante can be distinguished from all congeners by the presence of moderate keels throughout the lateral series of plates and by a naked area between each mid-ventral and ventral plate that is greater in size than the length of these plates. Neoplecostomus botucatu is morphologically distinguished by a reduction of the adipose fin and the presence of dark spots that are distributed along the body. Neoplecostomus langeanii can be morphologically distinguished by the absence of hypertrophied odontodes and a swollen integument on the head, as well as by morphometric characteristics.
机译：在这项研究中，我们描述了Neoplecostomus属的三个新种：圣保罗州萨利波利斯的bandeirante猪笼草，米纳斯吉拉斯州Muzambinho的langeanii猪笼草和米纳斯吉拉斯州的Botucatu猪笼草N. botucatu。圣保罗。所有描述的物种都在里约帕拉纳河上游盆地发现。这些新物种除了其颜色模式外，在线粒体DNA序列（COI），形态学和综合特性方面也彼此不同，并且与它们的标称同源物不同。在形态上，N。bandeirante可以与所有同类动物区分开，其方式是在整个侧板块中存在适度的龙骨，并且在每个腹中板和腹板之间的裸露区域的大小大于这些板的长度。在形态上，新翅目肋ple鱼的特征是脂肪鳍减少和沿身体分布的黑斑。在形态上可以通过不存在肥大的牙形突和头部的珠被肿胀来区分新岸肋兰。

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