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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Discoplana malagasensis sp. nov., a new turbellarian (Platyhelminthes: Polycladida: Leptoplanidae) symbiotic in an ophiuroid (Echinodermata), with a cladistic analysis of the Discoplana/ Euplana species Doignon, G.; Artois, T.; Deheyn, D. (2003). Discoplana malagasensis sp. nov., a new turbellarian (Platyhelminthes: Polycladida: Leptoplanidae) symbiotic in an ophiuroid (Echinodermata), with a cladistic analysis of the Discoplana/ Euplana species. Zool. Sci. 20: 357-369. https://dx.doi.org/10.2108/zsj.20.357 In: Zoological Science. Zoological Society of Japan: Tokyo. ISSN 0289-0003; e-ISSN 2212-3830, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 260349 [ download pdf ]

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Trefwoorden

Anatomical structures > Body organs > Animal organs > Animal reproductive organs Aquatic organisms > Marine organisms > Aquatic animals > Marine invertebrates Biology > Organism morphology > Animal morphology Classification > Cladistics Classification > Taxonomy Geography > Biogeography Identification keys Symbionts Synonymy Taxa > Species > New taxa > New species Discoplana malagasensis Doignon, Artois & Deheyn, 2003 [WoRMS]; Ophiothrix purpurea von Martens, 1867 [WoRMS]; Ophiuroidea [WoRMS]; Polycladida [WoRMS]; Turbellaria [WoRMS] ISEW, Papua New Guinea [Marine Regions] Marien/Kust

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Auteurs		Top
Doignon, G., meer Artois, T., meer Deheyn, D., meer

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Abstract

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.

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