Conservation systematics of the shield-backed trapdoor spiders of the nigrum -group (Mygalomorphae, Idiopidae, Idiosoma ): integrative taxonomy reveals a diverse and threatened fauna from south-western Australia

ZooKeys
Michael G RixMark S Harvey

Abstract

The aganippine shield-backed trapdoor spiders of the monophyletic nigrum-group of Idiosoma Ausserer s. l. are revised, and 15 new species are described from Western Australia and the Eyre Peninsula of South Australia: I. arenaceum Rix & Harvey, sp. n., I. corrugatum Rix & Harvey, sp. n., I. clypeatum Rix & Harvey, sp. n., I. dandaragan Rix & Harvey, sp. n., I. formosum Rix & Harvey, sp. n., I. gardneri Rix & Harvey, sp. n., I. gutharuka Rix & Harvey, sp. n., I. incomptum Rix & Harvey, sp. n., I. intermedium Rix & Harvey, sp. n., I. jarrah Rix & Harvey, sp. n., I. kopejtkaorum Rix & Harvey, sp. n., I. kwongan Rix & Harvey, sp. n., I. mcclementsorum Rix & Harvey, sp. n., I. mcnamarai Rix & Harvey, sp. n., and I. schoknechtorum Rix & Harvey, sp. n. Two previously described species from south-western Western Australia, I. nigrum Main, 1952 and I. sigillatum (O. P.-Cambridge, 1870), are re-illustrated and re-diagnosed, and complementary molecular data for 14 species and seven genes are analysed with Bayesian methods. Members of the nigrum-group are of long-standing conservation significance, and I. nigrum is the only spider in Australia to be afforded threatened species status under both State and Commonwealth legislation. Two other...Continue Reading

References

Aug 29, 2001·Bioinformatics·J P Huelsenbeck, F Ronquist
Jul 24, 2002·Nucleic Acids Research·Kazutaka KatohTakashi Miyata
Aug 13, 2003·Bioinformatics·Fredrik Ronquist, John P Huelsenbeck
Nov 21, 2007·Systematic Biology·Kevin De Queiroz
Feb 10, 2012·Molecular Biology and Evolution·Robert LanfearStephane Guindon
Oct 18, 2013·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar
Aug 16, 2014·Biological Reviews of the Cambridge Philosophical Society·Michael G RixJ Dale Roberts

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Methods Mentioned

BETA
amplicon sequencing
genotyping

Software Mentioned

MEGA
FigTree
MAFFT
Geneious
Geneious R6
Tracer
Google Earth Pro
MrBayes

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