Closing a biogeographic gap: a new pettalid genus from South Australia (Arachnida : Opiliones : Cyphophthalmi : Pettalidae) with a UCE-based phylogeny of Cyphophthalmi

IF 1.8 2区生物学 Q3 EVOLUTIONARY BIOLOGY

Invertebrate Systematics Pub Date : 2022-11-10 DOI:10.1071/IS22043

Gonzalo Giribet, M. Shaw, Arianna Lord, S. Derkarabetian

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引用次数: 2

Abstract

ABSTRACT Pettalidae is a family of mite harvestmen that inhabits the former circum-Antarctic Gondwanan terranes, including southern South America, South Africa, Madagascar, Sri Lanka, Australia and New Zealand. Australia is home to two pettalid genera, Austropurcellia, in northern New South Wales and Queensland, and Karripurcellia, in Western Australia, until now showing a large distributional gap between these two parts of the Australian continent. Here we report specimens of a new pettalid from South Australia, Archaeopurcellia eureka, gen. et sp. nov., closing this distributional gap of Australian pettalids. Phylogenetic analyses using traditional Sanger markers as well as ultra-conserved elements (UCEs) reveal that the new genus is related to the Chilean Chileogovea, instead of any of the other East Gondwanan genera. This relationship of an Australian species to a South American clade can be explained by the Antarctic land bridge between these two terranes, a connection that was maintained with Australia until 45 Ma. The UCE dataset also shows the promise of using museum specimens to resolve relationships within Pettalidae and Cyphophthalmi.

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弥合生物地理上的鸿沟:南澳大利亚一个新的花瓣属(蛛形纲:蛇足纲:花足科:花足科)与花足科的uce系统发育

足螨科(Pettalidae)是一种采收螨科，主要分布在原环南极冈瓦南地区，包括南美洲南部、南非、马达加斯加、斯里兰卡、澳大利亚和新西兰。澳大利亚是两个花瓣属的家园，新南威尔士州北部和昆士兰州的Austropurcellia和西澳大利亚州的Karripurcellia，直到现在在澳大利亚大陆的这两个部分之间显示出很大的分布差距。在这里，我们报告了来自南澳大利亚的一种新的花瓣植物，Archaeopurcellia eureka, gen. et sp. nov.，填补了澳大利亚花瓣植物的分布空白。利用传统的Sanger标记和超保守元件(UCEs)进行的系统发育分析表明，新属与智利Chileogovea有关，而不是与任何其他东冈瓦纳属有关。澳大利亚物种与南美分支的这种关系可以用这两个大陆之间的南极大陆桥来解释，这种联系一直保持到45 Ma。UCE数据集还显示了使用博物馆标本来解决Pettalidae和Cyphophthalmi之间关系的前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Invertebrate Systematics 生物-动物学

CiteScore

4.30

自引率

9.10%

发文量

审稿时长

>12 weeks

期刊介绍： Invertebrate Systematics (formerly known as Invertebrate Taxonomy) is an international journal publishing original and significant contributions on the systematics, phylogeny and biogeography of all invertebrate taxa. Articles in the journal provide comprehensive treatments of clearly defined taxonomic groups, often emphasising their biodiversity patterns and/or biological aspects. The journal also includes contributions on the systematics of selected species that are of particular conservation, economic, medical or veterinary importance. Invertebrate Systematics is a vital resource globally for scientists, students, conservation biologists, environmental consultants and government policy advisors who are interested in terrestrial, freshwater and marine systems. Invertebrate Systematics is published with the endorsement of the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and the Australian Academy of Science.