文章标题美国科罗拉多州菱鲆属一新种(甲壳纲，菱鲆科)的形态和分子特征描述

IF 1.1 3区生物学 Q3 ENTOMOLOGY

European journal of taxonomy Pub Date : 2023-09-18 DOI:10.5852/ejt.2023.891.2273

Ana Isabel Camacho, Paloma Mas-Peinado, Carly B. Bonwell, Jenna N. Mcdonald, Beatriz A. Dorda, Isabel Rey, Steven J. Taylor

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引用次数: 0

摘要

报道美国科罗拉多州海苔科一新种。甘尼松hobsinella gunnisonensis Camacho;Taylor p. 11 .表现出独特的形态特征组合，包括外足类的7节状天线缺少内侧刚毛，触角略长于天线，下颚触须为3节状，胸足类I ~ VII的内足有4条，而足类的内足有5条棘，尾足类的内足有3条棘。从若干新种标本中获得了细胞色素氧化酶I (COI)和18S的部分序列。线粒体和细胞核DNA数据补充了传统的形态分类描述，支持了新种的有效性。Bathynellidae的分子数据表明存在两个高度不同的遗传单位，新物种被置于hobsinella属。用hobsinella gunnisonensis Camacho &Taylor sp. 11 .及其分子特征，我们发现了一个有趣的属分布，它发生在大陆分水岭的两侧(德克萨斯州和科罗拉多州)和不同的栖息地。

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Description of a new species of Hobbsinella (Crustacea, Bathynellacea, Bathynellidae) from Colorado (USA) based on morphological and molecular characters

A new species of Bathynellidae is described from Colorado (USA). Hobbsinella gunnisonensis Camacho & Taylor sp. nov. displays a unique combination of morphological characters including seven-segmented antenna lacking medial seta on exopod, antennule slightly longer than antenna, three-segmented mandibular palp, four articles on endopod of thoracopods I to VII and five spines on sympod and three spines on endopod of the uropods. Partial sequences of cytochrome oxidase I (COI) and 18S have been obtained from several specimens of the new species. The mitocondrial and nuclear DNA data complement the traditional morphological taxonomic description support the validity of the new species. Molecular data for the Bathynellidae demonstrate the presence of two highly divergent genetic units, with the new species placed in the genus Hobbsinella. With the description of Hobbsinella gunnisonensis Camacho & Taylor sp. nov. and its molecular characterization, we discovered an interesting distribution of the genus, which occurs in both sides of the Continental Divide (Texas and Colorado) and different habitats.

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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.