Arid
DOI10.1071/IS14005
Molecular phylogenetic analysis of Western Australian troglobitic chthoniid pseudoscorpions (Pseudoscorpiones : Chthoniidae) points to multiple independent subterranean clades
Harrison, Sophie E.1; Guzik, Michelle T.1; Harvey, Mark S.2,3,4,5,6; Austin, Andrew D.1
通讯作者Harrison, Sophie E.
来源期刊INVERTEBRATE SYSTEMATICS
ISSN1445-5226
EISSN1447-2600
出版年2014
卷号28期号:4页码:386-400
英文摘要

The Yilgarn and Pilbara regions of Western Australia are considered biodiversity hotspots for subterranean invertebrates. While the relatively well studied (aquatic) stygofauna are typically constrained to geographically isolated habitats (’subterranean islands’) and have likely originated from multiple independent epigean ancestors, the troglofauna found in cavernicolous calcretes and fractured rock remains largely unstudied. Here we focus on the pseudoscorpion genera Tyrannochthonius Chamberlin, 1929 and Lagynochthonius Beier, 1951, as common components of the troglofauna, to determine whether they also display highly restricted distributional patterns, and have independent origins. Bayesian and maximum likelihood analyses of sequence data from the mtDNA cytochrome c oxidase I (COI) and the small subunit 18S nuclear genes for subterranean and epigean species from both genera reveal divergent mtDNA lineages that are restricted to single aquifers and/or geographic locations. This strong geographic structuring of troglobitic pseudoscorpions is indicative of short-range endemism and supports the ’subterranean island’ hypothesis. Further, independent sister relationships between subterranean and epigean taxa indicate multiple invasions into subterranean habitats, likely driven by post-Miocene aridification, consistent with that predicted for the stygofauna. The phylogeny also reveals that Tyrannochthonius + Lagynochthonius is monophyletic but that Lagynochthonius is polyphyletic and nested inside Tyrannochthonius. The results of this study point to common processes that have shaped the diversity and uniqueness of both stygofaunal and troglofaunal communities in Western Australia.


英文关键词18S aquifer cytochrome c oxidase 1 Pilbara short-range endemic troglofauna Yilgarn
类型Article
语种英语
国家Australia ; USA
收录类别SCI-E
WOS记录号WOS:000346193100006
WOS关键词MITOCHONDRIAL-DNA PHYLOGEOGRAPHY ; CHAIN-REACTION PRIMERS ; SHORT-RANGE ENDEMISM ; ARID ZONE ; LAGYNOCHTHONIUS PSEUDOSCORPIONES ; BEETLES COLEOPTERA ; GENERA CHTHONIIDAE ; MAXIMUM-LIKELIHOOD ; YILGARN REGION ; CARIBBEAN AREA
WOS类目Evolutionary Biology ; Zoology
WOS研究方向Evolutionary Biology ; Zoology
来源机构University of Western Australia
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/182809
作者单位1.Univ Adelaide, Sch Earth & Environm Sci, Australian Ctr Evolutionary Biol & Biodivers, Adelaide, SA 5005, Australia;
2.Western Australian Museum, Dept Terr Zool, Welshpool DC, WA 6986, Australia;
3.Univ Western Australia, Sch Anim Biol, Crawley, WA 6009, Australia;
4.Edith Cowan Univ, Sch Nat Sci, Joondalup, WA 6027, Australia;
5.Amer Museum Nat Hist, Div Invertebrate Zool, New York, NY 10024 USA;
6.Calif Acad Sci, Dept Entomol, San Francisco, CA USA
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GB/T 7714
Harrison, Sophie E.,Guzik, Michelle T.,Harvey, Mark S.,et al. Molecular phylogenetic analysis of Western Australian troglobitic chthoniid pseudoscorpions (Pseudoscorpiones : Chthoniidae) points to multiple independent subterranean clades[J]. University of Western Australia,2014,28(4):386-400.
APA Harrison, Sophie E.,Guzik, Michelle T.,Harvey, Mark S.,&Austin, Andrew D..(2014).Molecular phylogenetic analysis of Western Australian troglobitic chthoniid pseudoscorpions (Pseudoscorpiones : Chthoniidae) points to multiple independent subterranean clades.INVERTEBRATE SYSTEMATICS,28(4),386-400.
MLA Harrison, Sophie E.,et al."Molecular phylogenetic analysis of Western Australian troglobitic chthoniid pseudoscorpions (Pseudoscorpiones : Chthoniidae) points to multiple independent subterranean clades".INVERTEBRATE SYSTEMATICS 28.4(2014):386-400.
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