Sipunculidae
Sipunculidae is a family of peanut worms.Species
''Phascolopsis''
- Phascolopsis gouldii
''Siphonomecus''
- Siphonomecus multicinctus Fisher 1947
''Siphonosoma''
- Siphonosoma arcassonense
- Siphonosoma australe
- Siphonosoma boholense
- Siphonosoma cumanense
- Siphonosoma dayi Stephen 1942
- Siphonosoma funafuti
- Siphonosoma ingens
- Siphonosoma mourense Satô, 1930
- Siphonosoma rotumanum
- Siphonosoma vastum
''Sipunculus''
- Sipunculus indicus Peters, 1850
- Sipunculus lomonossovi Murina 1968
- Sipunculus longipapillosus Murina 1968
- Sipunculus marcusi Ditadi 1976
- Sipunculus mundanus Selenka and Bulow, 1883
- Sipunculus norvegicus Danielssen, 1869
- Sipunculus nudus Linnaeus, 1766
- Sipunculus phalloides
- Sipunculus polymyotus Fisher 1947
- Sipunculus robustus Keferstein 1865
''Xenosiphon''
- Xenosiphon absconditus Saiz 1984
- Xenosiphon branchiatus
