Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/112436
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Type: Journal article
Title: 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
Author: Rix, M.
Huey, J.
Cooper, S.
Austin, A.
Harvey, M.
Citation: ZooKeys, 2018; 2018(756):1-121
Publisher: Pensoft Publishers
Issue Date: 2018
ISSN: 1313-2989
1313-2970
Statement of
Responsibility: 
Michael G. Rix, Joel A. Huey, Steven J.B. Cooper, Andrew D. Austin, Mark 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 species, I. formosum Rix & Harvey, sp. n. and I. kopejtkaorum Rix & Harvey, sp. n., are also formally listed as Endangered under Western Australian State legislation. Here we significantly relimit I. nigrum to include only those populations from the central and central-western Wheatbelt bioregion, and further document the known diversity and conservation status of all known species.
Keywords: biodiversity hotspot; conservation biology; illustrated key; subfamily Arbanitinae; taxonomy; tribe Aganippini
Description: Published 9 May 2018
Rights: Copyright Michael G. Rix et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
RMID: 0030088786
DOI: 10.3897/zookeys.756.24397
Grant ID: http://purl.org/au-research/grants/arc/LP120200092
Appears in Collections:Earth and Environmental Sciences publications

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