菲律宾海中部裂谷带已知最深的蛇尾草属新种，1927年(棘皮目:蛇尾总科)

IF 1.1 3区生物学 Q3 ENTOMOLOGY

European journal of taxonomy Pub Date : 2023-09-26 DOI:10.5852/ejt.2023.891.2281

Hasitha Nethupul, Sabine Stöhr, Haibin Zhang

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引用次数: 0

摘要

2021年，“分豆哲”号载人潜水器在菲律宾海中央裂谷带深水区7729米深处采集到一种新的海蛇尾。它被描述为Ophiuroglypha fendouzhe sp. nov.，根据以下特征将其与同类区分开来:细长的臂，分离的背侧和腹侧臂板，重叠的大圆盘鳞片，以及远端连续的径向屏蔽。我们提供了全面的外部形态特征描述，包括手臂骨骼的特征，以及基于COI序列的系统发育分析。本研究发现的蛇麻草属种间遗传距离变异为3.89% ~ 24.25%。这一新物种构成了已知最深的蛇耳草属记录。

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Deepest known novel species of the genus Ophiuroglypha Hertz, 1927 (Echinodermata: Ophiuroidea) from the central rift zone, Philippine Sea

A new species of brittle star was collected in 2021 by the manned submersible “Fendouzhe” from the central rift zone deep waters, Philippine Sea, at a depth of 7729 m. It is described as Ophiuroglypha fendouzhe sp. nov., and is distinguished from its congeners based on the following features: slender arms, separated dorsal and ventral arm plates, overlapping large disc scales, and distally contiguous radial shields. We provide comprehensive descriptions of the external morphological features, including characteristics of the arm skeleton, and a phylogenetic analysis based on COI sequences. The interspecific genetic distance variation in the genus Ophiuroglypha found in this study was 3.89% to 24.25%. The new species constitutes the deepest known record for the genus Ophiuroglypha.

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来源期刊

European journal of taxonomy ZOOLOGY-

CiteScore

2.30

自引率

8.30%

发文量

173

审稿时长

29 weeks

期刊介绍： EJT is a fully refereed, international, fully electronic Open Access journal in descriptive taxonomy, covering subjects in zoology, entomology, botany (in its broadest sense), and palaeontology. EJT-papers must be original and adhere to high scientific (content) and technical (language, artwork, etc.) standards. Manuscripts that are clearly substandard in either of these categories will not be sent out for review. EJT is supported by a consortium of European Natural History Institutes, but its scope is global. Both authorship and geographical region of study need not be European. Authors are, however, strongly encouraged to involve European Natural History collections by consulting material or by depositing specimens (e.g. types and figured material) related to their published paper in the collection of a European Natural History Institute.