Genus Sipunculus

Classification

Biota [regio]
Animalia [regnum]
Sipuncula [phylum]
Sipunculidea [classis]
Sipunculiformes [ordo]
Sipunculidae [familia]
Sipunculus [genus]

Genus Sipunculus contains the following taxa:
Sipunculus nudus Linnaeus, 1766 [species]