(Sipunculus) (Sipunculus) is a biological genus in the family Sipunculidae (Sipunculids) and order Sipunculiformes.
Sipunculus clavatus
Sipunculus corallicolus
Sipunculus echinorhynchus
Sipunculus indicus
Sipunculus lomonossovi
Sipunculus longipapillosus
Sipunculus macrorhynchus
Sipunculus marcusi
Sipunculus microrhynchus
Sipunculus mundanus
Sipunculus norvegicus
Sipunculus nudus
Sipunculus phalloides
Sipunculus polymyotus
Sipunculus robustus
Sipunculus rubens
Sipunculus rufofimbriatus
Sipunculus saccatus
Sipunculus zenkevitchi
Phascolopsis
Siphonomecus
Siphonosoma
Sipunculus
Xenosiphon