Title
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18S rRNA data indicate that Aschelminthes are polyphyletic in origin and consist of at least three distinct clades
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Author
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Abstract
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The Aschelminthes is a collection of at least eight animal phyla, historically grouped together because the absence of a true body cavity was perceived as a pseudocoelom. Analyses of 18S rRNA sequences from six Aschelminth phyla (including four previously unpublished sequences) support polyphyly for the Aschelminthes. at least three distinct groups of Aschelminthes were detected: the Priapulida among the protostomes, the Rotifera-Acanthocephala as a sister group to the protostomes, and the Nematoda as a basal group to the triploblastic Eumetazoa. |
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Language
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English
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Source (journal)
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Molecular biology and evolution. - Chicago, Ill.
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Publication
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Chicago, Ill.
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1995
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ISSN
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0737-4038
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Volume/pages
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12
:6
(1995)
, p. 1132-1137
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ISI
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A1995TB46300016
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