Discoplana malagasensis sp. nov., a New Turbellarian (Platyhelminthes : Polycladida : Leptoplanidae) Symbiotic in an Ophiuroid (Echinodermata), with a Cladistic Analysis of the Discoplana/Euplana species(Taxonomy)

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概要

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• A new species of polyclad flatworm from Papua New Guinea is described. It is found symbiotic in the ophiuroid Ophiothrix purpurea von Martens, 1867 (Echinodermata : Ophiuroidea). Apparently it belongs to the taxon Discoplana Bock, 1913 and can be distinguished from the six previously described Discoplana species by its very short ejaculatory duct and a penial papilla covered with a penial sheath, but without any true sclerotised structures such as a stylet or spines. The cladistic analysis of the Discoplana/Euplana species, based on morphological features and including two outgroups, reveals that all species of Discoplana, except D. pacificola, form a monophyletic taxon, that is not a synonym of Euplana Girard, 1893. Therefore the name Discoplana is conserved and the new species will be described as Discoplana malagasensis sp. nov. A key for the Discoplana/Euplana group is provided. In this key the biogeographical distribution and possible synonyms are given.

• 社団法人日本動物学会の論文
• 2003-03-25

著者

• Artois T

  Limburgs Univ. Centrum Diepenbeek Bel

• Deheyn Dimitri

  Research Group Zoology Dept. Sbg Limburgs Universitair Centrum Universitaire Campus Gebouw D

• Doignon Gilles

  Graduate student (Aspirant du Fonds National pour la Recherche Scientifique), Laboratoire de Biologi

• Artois Tom

  15), Universite Libre de Bruxelles

• Doignon Gilles

  Graduate Student (aspirant Du Fonds National Pour La Recherche Scientifique) Laboratoire De Biologie

関連論文

• Discoplana malagasensis sp. nov., a New Turbellarian (Platyhelminthes : Polycladida : Leptoplanidae) Symbiotic in an Ophiuroid (Echinodermata), with a Cladistic Analysis of the Discoplana/Euplana species(Taxonomy)

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