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首页> 外文期刊>Helgoland marine research >A new species of Tambja (Mollusca, Gastropoda, Nudibranchia) from the Mediterranean Sea: description of the first species of the genus from the Balearic Islands and Malta
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A new species of Tambja (Mollusca, Gastropoda, Nudibranchia) from the Mediterranean Sea: description of the first species of the genus from the Balearic Islands and Malta

机译：来自地中海的一种新的坦布亚物种（软体动物，腹足纲动物，Nudibranchia）：描述了来自巴利阿里群岛和马耳他的第一类属

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摘要

A new species of polycerid nudibranchs of the genus Tambja is described from Mallorca Island (Spain) and Malta. So far, only two species of Tambja had been recorded in the Mediterranean Sea with a distribution limited to southern Spain. With Tambja mediterranea sp. nov., the distribution of the genus in the Mediterranean Sea is extended, and the new species represents the first occurrence of Tambja at the Balearic Islands and Malta. Externally, the new species is mainly characterized by having ground orange-red colour, dorsum covered with rounded whitish tubercles, rhinophores red with whitish tips and three gill branches with orange-reddish rachis and whitish branches. In the present paper, external and internal features of T. mediterranea are described and compared with other species of the genus, especially with its most similar species, T. limaciformis. Additionally, phylogenetic analyses (Bayesian and maximum likelihood) based on mitochondrial sequences (COI) show that T. mediterranea sp. nov. is sister to T. divae and that both species cluster together with T. limaciformis and T. amakusana with the maximum support.
机译：从马略卡岛（西班牙）和马耳他描述了淡柏属的一种新的多角质裸藻分支。迄今为止，在地中海仅记录了两种坦布亚物种，分布范围仅限于西班牙南部。与Tambja mediterranea sp。十一月，该属在地中海中的分布得到了扩展，新物种代表了在巴利阿里群岛和马耳他首次出现的坦布亚。从外部看，新物种的主要特征是地面呈橘红色，背侧覆盖着圆形的白色结节，尖红色的犀牛红色，顶端带有橘红色的轮枝和白色的三个branches枝。在本文中，描述了T. mediterranea的外部和内部特征，并将其与该属的其他物种进行比较，尤其是与其最相似的物种T. limaciformis。此外，基于线粒体序列（COI）的系统发育分析（贝叶斯和最大似然）表明，T。mediterranea sp。十一月是T. divae的姊妹，并且两个物种与T. limaciformis和T. amakusana一起聚集，得到最大的支持。

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