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Issue: Vol. 3367 No. 1: 4 Jul. 2012
Type: Articles
Published: 2012-07-04
DOI: 10.11646/zootaxa.3367.1.20
Page range: 211–221
Abstract views: 48
PDF downloaded: 4

The identity of Pilumnoplax acanthomerus Rathbun, 1911 (Crustacea: Decapoda: Brachyura: Xanthidae), with new records from the central and western Pacific

Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, 117543 Singapore
Zoology Department, Natural History Museum, Cromwell Road, London SW7 5BD, England
Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, 117543 Singapore Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, 119227 Singapore
Crustacea Xanthoidea Pilumnoplax Linnaeoxantho acanthomerus Melybia range extension Amirante Islands Ryukyu Islands Line Islands western Atlantic

Abstract

The identity of the rare xanthid crab, Pilumnoplax acanthomerus Rathbun, 1911, originally described from the AmiranteIslands in the western Indian Ocean, is elucidated. Števčić (2005) transferred the species from Pilumnoplax Stimpson,1858, to a new genus, Linnaeoxantho. This monotypic genus is re-diagnosed and new morphological characters are high-lighted. New records from Ryukyu and Line Islands, in the western and central Pacific, respectively, are reported. Linnae-oxantho is compared with the morphologically similar Melybia Stimpson, 1871, from the western Atlantic, and theiraffinities are discussed. Linnaeoxanthinae Števčić, 2005, is here recognised as a valid xanthid subfamily for Linnaeoxantho and Melybia, and is considered to have priority over Melybiidae Števčić, 2005.

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