期刊
ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
卷 161, 期 4, 页码 735-768出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1096-3642.2010.00662.x
关键词
Bayesian analysis; biodiversity; direct optimization; mating plugs; molecular systematics
类别
资金
- US National Science Foundation [DEB-0328644]
- George Washington University
- Danish National Research Foundation
- NSF AToL [EAR-0228699]
- Fundacion Banco de Bilbao Vizcaya
We describe Pinkfloydia Hormiga & Dimitrov gen. nov., a new genus of tetragnathid spiders from Western Australia and study its phylogenetic placement. The taxon sampling from our previous cladistic studies was expanded, with the inclusion of representatives of additional tetragnathid genera and outgroup taxa. Sequences from six genetic markers, 12S, 16S, 18S, 28S, cytochrome c oxidase subunit 1, and histone 3, along with morphological and behavioural data were used to infer tetragnathid relationships. These data were analysed using parsimony ( under both static homology and dynamic optimization) and Bayesian methods. Our results indicate that Pinkfloydia belongs to the 'Nanometa' clade. We also propose a revised set of synapomorphies to define this lineage. Based on the new evidence presented here we propose a revised hypothesis for the intrafamilial relationships of Tetragnathidae and show that Mimetidae is most likely the sister group of Tetragnathidae. The single species in this genus so far, Pinkfloydia harveii Dimitrov& Hormiga sp. nov., is described in detail and its web architecture documented and illustrated. (C) 2011 The Linnean Society of London, Zoological Journal of the Linnean Society, 2011, 161, 735-768.
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