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首页> 外文期刊>Zootaxa >New records of caridean shrimp (Crustacea: Decapoda) from hydrothermally influenced fields off Futuna Island, Southwest Pacific, with description of a new species assigned to the genus Alvinocaridinides Komai & Chan, 2010 (Alvinocarididae)
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New records of caridean shrimp (Crustacea: Decapoda) from hydrothermally influenced fields off Futuna Island, Southwest Pacific, with description of a new species assigned to the genus Alvinocaridinides Komai & Chan, 2010 (Alvinocarididae)

机译:来自西南太平洋富图纳岛附近受热液影响的田地的甲壳类对虾(甲壳纲:十足目)的新记录,并描述了属于Alvinocaridinides Komai&Chan属的新物种,2010年(Alvinocarididae)

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摘要

Five species of caridean shrimp, including four Alvinocarididae Christoffersen, 1986 and one thorid species of the genus Lebbeus White, 1847, are reported from the recently discovered hydrothermal vent field off Futuna Island in the Southwest Pacific (depths 1418-1478 m): Alvinocaridinides semidentatus n. sp., Alvinocaris komaii Zelnio & Hourdez, 2009, Nautilocaris saintlaurentae Komai & Segonzac, 2004, Rimicaris variabilis (Komai & Tsuchida, 2015), and Lebbeus wera Ahyong, 2009. The new species, provisionally assigned to Alvinocaridinides Komai & Chan, 2010, is readily distinguished from the type species of the genus, A. formosa Komai & Chan, 2010, by the characteristic armature of the rostrum and of the propodi of the third and fourth pereopods and the possession of ischial spines on the third and fourth pereopods. Identification of R. variabilis has been confirmed by morphology and sequence comparison of mitochondrial COI gene. The geographical range of L. wera is extended to the north from the Brothers Caldera in the Kermadec Ridge.
机译:据报道,最近发现的西南太平洋富图纳岛附近的热液喷口区域(深度为1418-1478 m)报告了五种Caridean虾,其中包括1986年的4种Alvinocarididae Christoffersen以及1种Lebbeus White的雷兽种(深度1418-1478 m):Alvinocaridinides semidentatusus 。 ,Alvinocaris komaii Zelnio和Hourdez,2009年; Nautilocaris saintlaurentae Komai和Segonzac,2004年; Ricmicaris variabilis(Komai和Tsuchida,2015年),以及Lebbeus wera Ahyong,2009年。该新物种暂定为Alvinocaridinides Komai&Chan,2010年,通过讲台和第三,第四脚足类足的特征性衔铁以及在第三,第四脚足类中具有坐骨棘,可以很容易地与A. formosa Komai&Chan,2010的类型物种区分开。通过线粒体COI基因的形态学和序列比较,已经证实了变异黑麦草的鉴定。 L. wera的地理范围从Kermadec Ridge的Caldera兄弟向北延伸。

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