Integrative description of Paramacrobiotus bengalensis sp. nov. (Tardigrada: Eutardigrada: Macrobiotidae), a new limno-terrestrial tardigrade species from the state of West Bengal, India

IF 1.1 3区生物学 Q3 ENTOMOLOGY European journal of taxonomy Pub Date : 2023-08-23 DOI:10.5852/ejt.2023.890.2249

Subhrangshu Basu, Rahul Babu, Alfisa Siddique, J. Purushothaman

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Abstract

Paramacrobiotus bengalensis sp. nov. was discovered in a moss sample collected from a tree in West Bengal, India. We describe this new species using detailed morphological and morphometric data obtained from phase contrast microscopy and scanning electron microscopy, along with molecular and phylogenetic data analyses. Due to the presence of a cap-like structure at the distal portion of egg processes, the new species showed the highest similarity with Paramacrobiotus garynahi (Kaczmarek, Michalczyk & Diduszko, 2005), Paramacrobiotus alekseevi (Tumanov, 2005), Paramacrobiotus filipi Dudziak, Stec & Michalczyk, 2020, Paramacrobiotus sagani Daza, Caicedo, Lisi & Quiroga, 2017, Paramacrobiotus vanescens (Pilato, Binda & Catanzaro, 1991) and Paramacrobiotus gadabouti Kayastha, Stec, Mioduchowska & Kaczmarek, 2023. However, it can be differentiated from them by some morphological and morphometric characteristics. The genetic data corroborated our phenotypic outcome further supporting the new species hypothesis.

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印度西孟加拉邦一种新的陆生缓步动物——孟加拉副巨生物（Paramacrobiotus bengalensis sp.nov.）的综合描述

在印度西孟加拉邦的一棵树上采集的苔藓样本中发现了孟加拉副巨生物。我们使用从相差显微镜和扫描电子显微镜获得的详细形态学和形态计量学数据，以及分子和系统发育数据分析来描述这个新物种。由于卵突远端存在帽状结构，该新物种与garynahi副大生物表现出最高的相似性（Kaczmarek，Michalczyk&Diduszko，2005）、alekseevi副大生物（Tumanov，2005），filipi-Dudziak副大生物，Stec&Michalczik，2020，sagani-Daza副大生物、Caicedo、Lisi&Quiroga，2017，范氏副巨生物（Pilato，Binda和Catanzaro，1991）和Kayastha、Stec、Mioduchowska和Kaczmarek副巨生物，2023。然而，它可以通过一些形态学和形态计量学特征与它们区分开来。遗传数据证实了我们的表型结果，进一步支持了新物种假说。

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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.