Ancestral taxa
(bô-hun-kip): incertae sedis  [Taxonomy; edit]
Sio̍k: Somatohelix  [Taxonomy; edit]

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Parent: Incertae sedis [Taxonomy; edit]
Rank: genus (displays as Sio̍k)
Link: Somatohelix
Extinct: yes
Always displayed: yes (major rank)
Taxonomic references: Sappenfield, A.; Droser, M. L.; Gehling, J. G. (2011). "Problematica, Trace Fossils, and Tubes within the Ediacara Member (South Australia): Redefining the Ediacaran Trace Fossil Record One Tube at a Time". Journal of Paleontology. 85 (2): 256–265. doi:10.1666/10-068.1. 
Parent's taxonomic references: