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Issue: Vol. 2110 No. 1: 18 May. 2009
Type: Article
Published: 2009-05-18
DOI: 10.11646/zootaxa.2110.1.2
Page range: 22–40
Abstract views: 36
PDF downloaded: 1

New observations on the genus Hypocreadium Ozaki, 1936 (Digenea: Lepocreadiidae) in the Indo-West Pacific region, including the description of one new species

Department of Zoology, Natural History Museum, Cromwell Road, London SW7 5BD, UK
Centre for Marine Studies and Department of Microbiology and Parasitology, The University of Queensland, Brisbane, Queensland 4072, Australia
UR148 IRD, UMR 7138 Systematique, Adaptation, Evolution, Institut de Recherche pour le Developpement, BP A5, 98848 Noumea Cedex, New Caledonia
Platyhelminthes Digenea Lepocreadiidae Hypocreadium Hypocreadium picasso n. sp. Lutianotrema Great Barrier Reef Ningaloo Palau New Caledonia Tetraodontiformes Abalistes Balistoides Pseudobalistes Rhinecanthus Sufflamen

Abstract

The following members of the genus Hypocreadium are described or redescribed: Hypocreadium cavum from the starry triggerfish, Abalistes stellatus, Swain Reefs, Great Barrier Reef; Hypocreadium patellare ‘Typical form’ from Abalistes stellatus, Swain Reefs, the masked triggerfish, Sufflamen fraenatum, Ningaloo, Western Australia and off New Caledonia and the titan triggerfish, Balistoides viridescens, off Lizard Island, Great Barrier Reef; Hypocreadium patellare ‘Atypical form A’ from the black-bar triggerfish, Rhinecanthus aculeatus, off Lizard Island and Palau and blackbelly triggerfish, R. verrucosus, off Palau; Hypocreadium patellare ‘Atypical form B’ from the yellow-spotted triggerfish, Pseudobalistes fuscus off Lizard Island; Hypocreadium picasso n. sp. from Rhinecanthus aculeatus, off Lizard Island and Palau, characterised by its broadly pyriform shape and lack of an anterior notch. A key to the species of Hypocreadium is presented. The similarity of the genus Lutianotrema to Hypocreadium is pointed out, but both known species of Lutianotrema are described with ‘dorsal’ oral suckers.

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    [1] This is the designation of the journal on the copy supplied to us. The ISSN number 0972-3498 is also quoted, but we have not been able to trace this number in the online ISSN lists, nor had a reply from Dr. Singh to our request for the full journal title.