@ARTICLE{TreeBASE2Ref17918, author = {Angel Valdes}, title = {Preliminary molecular phylogeny of the radula-less dorids (Gastropoda: Opisthobranchia), based on 16s mtDNA sequence data.}, year = {2003}, keywords = {}, doi = {10.1093/mollus/69.1.75}, url = {}, pmid = {}, journal = {Journal of Molluscan Studies}, volume = {69}, number = {1}, pages = {75--80}, abstract = {Maximum-parsimony analysis of the nucleotide sequence of the 16S mtDNA gene, obtained from several dorid nudibranch taxa, suggests that the radula-less dorids are likely to be a monophyletic group. However, there is little support for the most basal branches of the radula-less dorid clade. Most of the traditional groups within the radula-less dorids are monophyletic and for the most part well supported. These include the genera Dendrodoris, Doriopsilla, Reticulidia, Phyllidiella and Phyllidia (when Fryeria is included in Phyllidia). On the contrary, the family Dendrodorididae and the genus Phyllidiopsis are paraphyletic. Branch support for those arrangements that differ from the topology of previously published morphological trees is poor. Data obtained from the 16S mtDNA gene seem to be adequate to resolve the phylogenetic relationships of derived clades of radula-less dorids, but longer sequences are necessary to obtain more information at the most basal nodes.} }

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