Is Filibranchus , Malm 1874 (Trichobranchidae: Polychaeta) A Natural Taxon?

This paper presents a hypothesis on the phylogenetic relationships among currently known species in the genus Trichobranchus , based on a cladistic analysis of the external morphological characters, and examines the consequences of such an analysis on the validity of Filibranchus . Phylogenetic rela...

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Bibliographic Details
Published in:Sarsia 2002-01, Vol.87 (6), p.472-477
Main Authors: Garraffoni, André R.S., Lana, Paulo C.
Format: Article
Language:English
Subjects:
Filibranchus
Marine
Trichobranchus
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Summary:This paper presents a hypothesis on the phylogenetic relationships among currently known species in the genus Trichobranchus , based on a cladistic analysis of the external morphological characters, and examines the consequences of such an analysis on the validity of Filibranchus . Phylogenetic relationships of the group were studied using parsimony analysis of 14 (absent/present and multistate) coded morphological characters of 12 terminal taxa. Only one clade was identified, grouping Trichobranchus and Filibranchus . Thus, Filibranchus is considered a junior synonym of Trichobranchus and classification modified to reflect the phylogeny.
ISSN:0036-4827
DOI:10.1080/0036482021000155755