Strand, M.; Hjelmgren, A.; Sundberg, P. (2005). Genus Baseodiscus (Nemertea: Heteronemertea): Molecular identification of a new species in a phylogenetic context. Journal of Natural History, 39(44): 3785-3793

339384

10.1080/00222930500370952 [view]

Strand, M.; Hjelmgren, A.; Sundberg, P.

2005

39(44): 3785-3793

Publication

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A new heteronemertean, Baseodiscus jonasii sp. nov., is described from Guadalcanal, Solomon Islands. It resembles B. delineatus in inner morphology but can be distinguished from this species by its different colour pattern and differences in the nucleotide sequence of the mitochondrial 16S rRNA gene. The monophyletic status of the genus is investigated by reconstructing the phylogeny of six specimens from four species assigned to this genus, together with 22 specimens from nine other heteronemertean genera, using parsimony and Bayesian analysis. The results imply that Baseodiscus is a monophyletic group while several other heteronemertean genera are non-monophyletic.

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