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Bold ranks show taxa that will be shown in taxoboxes
because rank is principal or always_display=yes.

Ancestral taxa
Domain: Eukaryota /displayed  [ Taxonomy; ]
Clade: Amorphea  [ Taxonomy; ]
Clade: Obazoa  [ Taxonomy; ]
(unranked): Opisthokonta  [ Taxonomy; ]
(unranked): Holozoa  [ Taxonomy; ]
(unranked): Filozoa  [ Taxonomy; ]
Clade: Choanozoa  [ Taxonomy; ]
Kingdom: Animalia  [ Taxonomy; ]
Subkingdom: Eumetazoa  [ Taxonomy; ]
Clade: ParaHoxozoa  [ Taxonomy; ]
Clade: Bilateria  [ Taxonomy; ]
Clade: Nephrozoa  [ Taxonomy; ]
(unranked): Protostomia  [ Taxonomy; ]
(unranked): Spiralia  [ Taxonomy; ]
Superphylum: Lophotrochozoa  [ Taxonomy; ]
Phylum: Annelida  [ Taxonomy; ]
Class: Sipuncula  [ Taxonomy; ]


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Parent: Annelida [ Taxonomy; ]
Rank: classis (displays as Class)
Link: Sipuncula
Extinct: no
Always displayed: yes (major rank)
Taxonomic references: Shen, X.; Ma, X.; Ren, J.; Zhao, F. (2009). "A close phylogenetic relationship between Sipuncula and Annelida evidenced from the complete mitochondrial genome sequence of Phascolosoma esculenta". BMC Genomics. 10: 136. doi: 10.1186/1471-2164-10-136. PMC  2667193. PMID  19327168.
Parent's taxonomic references: