(Siphonosoma) (Siphonosoma) is a biological genus in the family Sipunculidae (Sipunculids) and order Sipunculiformes.
Siphonosoma arcassonense
Siphonosoma australe
Siphonosoma boholense
Siphonosoma bonhourei
Siphonosoma cumanense
Siphonosoma dayi
Siphonosoma funafuti
Siphonosoma ingens
Siphonosoma joubini
Siphonosoma mourense
Siphonosoma pellucidum
Siphonosoma rotumanum
Siphonosoma vastum
Phascolopsis
Siphonomecus
Siphonosoma
Sipunculus
Xenosiphon