@ARTICLE{TreeBASE2Ref18262, author = {Marc Zehnder and Jean Mariaux}, title = {Molecular systematic analysis of the order Proteocephalidea (Eucestoda) based on mitochondrial and nuclear rDNA sequences.}, year = {1999}, keywords = {Eucestoda; LsrRNA; Molecular systematics; Proteocephalidea; Proteocephalus; Phylogeny; 16S rRNA}, doi = {10.1016/S0020-7519(99)00122-8}, url = {}, pmid = {}, journal = {International Journal for Parasitology}, volume = {29}, number = {11}, pages = {1841--1852}, abstract = {Two ribosomal DNA sequences were used to infer phylogenetic relationships among the Eucestoda order Proteocephalidea. A 437 bp portion of the 16S mitochondrial and a 1149 bp 5' portion of the nuclear large sub-unit rRNA molecule were sequenced for 53 proteocephalidean cestodes (representing nine subfamilies and 22 genera) and for one outgroup species. Parsimony and distance-based analyses of the two databases, alone and combined, failed to support the monophyly of the two traditionally accepted families, of numerous subfamilies (with the exception of the Rudolphielliinae and Othinoscolescinae which were validated in our analysis) and of various genera, including the genus Nomimoscolex (Woodland), Ophiotaenia (La Rue) as well as the type genus Proteocephalus (Weinland). Palaearctic Proteocephalus species nevertheless constituted a well defined clade. The two genes globally yielded compatible results, however the nuclear ribosomal gene provided a better resolution of relations among Proteocephalidea.} }

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