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AbstractThe Sabellidae is comprised of the Sabellinae and Fabriciinae. Reproduction in the Sabellinae varies considerably, while the Fabriciinae show a uniform sexual reproductive mode. Adult females of all Fabriciinae studied to date brood directly developing larvae within their tubes and the presence of spermathecae has previously been noted in several species. Interestingly, spermathecae have not...
The aim of this paper is to assess the monophyly of the Annelida. Also, recent cladistic analyses of metazoan taxa, using a variety of data, have shown incongruities with regards to annelids and associated taxa that should be resolved. The Platyhelminthes is selected as the taxon to root our minimal length trees and polarise our characters in a parsimony analysis; ingroup taxa being Mollusca, Nemertea,...
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