首页> 美国卫生研究院文献>ZooKeys >Austromesocypris bluffensis sp. n. (Crustacea Ostracoda Cypridoidea Scottiinae) from subterranean aquatic habitats in Tasmania with a key to world species of the subfamily
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Austromesocypris bluffensis sp. n. (Crustacea Ostracoda Cypridoidea Scottiinae) from subterranean aquatic habitats in Tasmania with a key to world species of the subfamily

机译:拟南芥。来自塔斯马尼亚岛地下水生栖息地的甲壳纲(CrustaceaOstracodaCypridoideaScottiinae)是世界亚科物种的关键

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摘要

Austromesocypris bluffensis >sp. n. is described and we report another species, Austromesocypris sp., both collected from subterranean aquatic habitats in Tasmania. This discovery adds a major taxonomic group to the already diverse invertebrate cave fauna of Tasmania, and is of interest because, globally, obligate subterranean aquatic species (stygobites) are poorly represented within the family Cyprididae. The genus Austromesocypris Martens, De Deckker & Rossetti, 2004 is otherwise known to comprise entirely “terrestrial or semi-terrestrial” species. The second species is not described because only juvenile specimens were collected. Both species stand apart from their congeners by the carapace shape, which is rectangular in Austromesocypris bluffensis and triangular and asymmetrical in the unnamed species. Another unique feature of the new species is the almost symmetrical uropodal rami. We also identify some broader systematic issues within the Scottiinae including the position of two New Zealand species, Scottia audax (Chapman, 1961) and Scottia insularis Chapman, 1963 in the genus, and point out their closer relationship to the Gondwana genera of Scottiinae, Austromesocypris and Mesocypris Daday, 1910, than to the Palearctic genus Scottia Brady & Norman, 1889, based on the morphology of the maxillula and mandibula. The identity of the Australian records of Scottia audax (Chapman, 1961), Austromesocypris australiensis (De Deckker, 1983) and the Boreal records of Scottia pseudobrowniana Kempf, 1971 are all considered doubtful. A key to the world species of Scottiinae is provided.
机译:南方古猿(Aurstromesocypris bluffensis) 进行了描述,我们报告了另一个物种,即Austromesocypris sp。,它们都是从塔斯马尼亚州的地下水生栖息地收集的。这一发现为塔斯马尼亚岛已经多样化的无脊椎动物洞穴动物群增加了一个主要的分类学组群,并且由于在全球范围内,在Cy科中的专性地下水生物种(sty科动物)的代表性较弱,因此这一发现引起了人们的关注。 Austromesocypris Martens,De Deckker和Rossetti属,2004年也被认为完全包括“陆地或半陆地”物种。由于仅收集了少年标本,因此未描述第二种。这两个物种的背甲形状都与它们的同类动物分开,在Austroesocypris bluffensis中为矩形,在未命名物种中为三角形和不对称。该新物种的另一个独特特征是几乎对称的足尺罗米。我们还确定了苏格兰i科内一些更广泛的系统性问题,包括该属中两个新西兰物种苏格兰Scott科(Chapman audax,查普曼(Chapman,1961年))和苏格兰Scott属(Scottia insularis Chapman,1963年)的地位,并指出了它们与苏格兰i科(Scottiinae)的冈瓦纳属的亲密关系, emclass =“ taxon-name”> Ausromesocypris Mesocypris 达戴(Daday),比古埃及属 < em class =“ taxon-name”> Scottia Brady&Norman,1889,基于上颌和下颌的形态。 Scottia audax (Chapman,1961), Ausromesocypris的澳大利亚记录的身份(De Deckker,1983)和 Scottia pseudobrowniana 肯普夫(Kempf)的北方记录都被怀疑(1971年) 。提供了 Scottiinae 的世界物种的密钥。

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