Talk:Siboglinidae

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[edit] Annelids?

Annelid worms? I thought that since 1960s no one seriously thought that these animals were annelids? Their embryology and body plan shows relation to Hemichordata and Enteropneusta, not Annelida! —Preceding unsigned comment added by 89.139.66.39 (talk • contribs)

I've added cites for their position within the annelids. I don't know whether a lot of work has been done in explaining the embryology and body plan in light of those results, but doing some more searching on Google Scholar would probably find what has been published to date. Kingdon 14:33, 19 June 2007 (UTC)

The current edition of Ruppert, Fox, and Barnes (2007) has them listed as as annelids in the order Pogonophora for a couple of reasons. First they have a segmented opisthosoma with chaeta. Second, they have trochophore larva. Third, they have a juvenile with a complete gut (Ruppert et al., 2007). Ruppert et al. also says that molecular data supports their inclusion in the polychaeta, however doesn't cite the source. Looking into some journals for the molecular info might be helpful Findfunds 06:47, 5 November 2007 (UTC)