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Sipuncula |
 | | A phylogenetic analysis of higher taxa in the phylum Sipuncula. |
| | Evolutionary relationships within the protostome phylum Sipuncula: a molecular analysis of ribosomal genes and histone H3 sequence data. |
| | Rice, M. Sipuncula: developmental evidence for phylogenetic inference. |
| tolweb.org /tree?group=Sipuncula&contgroup=Bilateria (481 words) |
