Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2292
Title: Discoplana malagasensis sp nov, a new turbellarian (Platyhelminthes : Polycladida : Leptoplanidae) symbiotic in an ophiuroid (Echinodermata), with a cladistic analysis of the Discoplana/Euplana species
Authors: Doignon, G
ARTOIS, Tom 
Deheyn, D
Issue Date: 2003
Publisher: ZOOLOGICAL SOC JAPAN
Source: ZOOLOGICAL SCIENCE, 20(3). p. 357-369
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.
Notes: Free Univ Brussels, Lab Biol Marine CP 160 15, B-1050 Brussels, Belgium. Limburgs Univ Ctr, Dept SBG, Res Grp Zool, B-3590 Diepenbeek, Belgium. Univ Mons, Marine Biol Lab, B-7000 Mons, Belgium.Doignon, G, Free Univ Brussels, Lab Biol Marine CP 160 15, 50 Ave FD Roosevelt, B-1050 Brussels, Belgium.
Keywords: cladistic analysis; Ophiuroidea; Polycladida; symbiosis; Turbellaria
Document URI: http://hdl.handle.net/1942/2292
ISSN: 0289-0003
e-ISSN: 0289-0003
ISI #: 000183807700010
Category: A1
Type: Journal Contribution
Validations: ecoom 2004
Appears in Collections:Research publications

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