Contribution to the Ostracoda (crustacea) Fauna of the karstic region of Texas with the description of a new species

IF 0.5 4区地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Journal of Cave and Karst Studies Pub Date : 2023-06-30 DOI:10.4311/2021lsc0120

Okan Külköylüoğlu, Alaettin Tuncer

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引用次数: 0

Abstract

A total of 27 ostracod taxa were collected from 1995 to 2017 from 61 aquatic bodies in the karstic region of Texas (USA) and 1 in Mexico, including from caves, springs, spring-fed pools, and springs/drips in karstic rock-shelters. Among these taxa, Dolerocypris reyesi sp. nov. is a new species collected from a shallow pool connected to the springs above a rock-shelter. Three species (Penthesilenula aotearoa, P. incae, and Vestalenula marmonieri) are reported for the first time from North America. In addition, Typhlocypris cf. prespica and 4 taxa (Microdarwinula zimmeri, Cypridopsis cf. herpestica, Pseudocandona cf. parallela, P. cf. pratensis) are new records of ostracod fauna of the US and Texas, respectively. The phylogenetic results based on 31 taxa and 30 morphological characters revealed 4 subgroups belonging to 6 main clustering groups within the family Darwinulidae. Including the new species reported here, the total number of non-marine ostracods in Texas is increased to 115 species. The results indicate that the total number of species is far below the true diversity and richness of the state.

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对德克萨斯州喀斯特地区介形虫(甲壳类)动物群的贡献及一新种的描述

1995 - 2017年，在美国德克萨斯州喀斯特区61个水体和墨西哥喀斯特区1个水体中采集了27个介形类，包括溶洞、泉水、泉水池和喀斯特岩洞的泉水/滴水。在这些分类群中，Dolerocypris reyesi sp. 11 .是一个新物种，从一个与岩石庇护所上方的泉水相连的浅水池中采集。在北美首次报道了3种(Penthesilenula aotearoa、P. incae和Vestalenula marmonieri)。此外，在美国和德克萨斯州分别有4个类群(Microdarwinula zimmeri、Cypridopsis cf. herplastica、Pseudocandona cf. parallela、P. cf. pratensis)为甲壳类动物区系新记录。基于31个分类群和30个形态特征的系统发育结果显示，Darwinulidae属6个主要聚类群，共4个亚群。包括这里报道的新种在内，德克萨斯州的非海洋介形类总数增加到115种。结果表明，物种总数远低于该州的真实多样性和丰富度。

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来源期刊

Journal of Cave and Karst Studies 地学-地球科学综合

CiteScore

1.90

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Cave and Karst Studies is a multidisciplinary journal devoted to cave and karst research. The Journal is seeking original, unpublished manuscripts concerning the scientific study of caves or other karst features. Authors do not need to be members of the National Speleological Society, but preference is given to manuscripts of importance to North American speleology.