Infraorder Aspidosiphonida(uncertain > nomen dubium, incertae sedis rank name, superfluous former order under former class Phascolosomatidea )
Infraorder Golfingiida(uncertain > nomen dubium, incertae sedis rank name, superfluous former order under former class Sipunculidea)
Infraorder Phascolosomatida(uncertain > nomen dubium, incertae sedis rank name, superfluous former order under former class Phascolosomatidea)
Infraorder Phascolosomatidea(uncertain > nomen dubium, incertae sedis rank name, superfluous former class under former phylum Sipuncula)
Infraorder Sipunculidea(uncertain > nomen dubium, incertae sedis rank name, superfluous former class under former phylum Sipuncula)
marine, brackish, fresh, terrestrial
recent only
Not documented
Read, G.; Saiz-Salinas, J. (2024). World Sipuncula Database. Sipuncula incertae sedis. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://marinespecies.org/Urmo/aphia.php?p=taxdetails&id=255176 on 2024-05-03
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Sipuncula incertae sedis. Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=255176 on 2024-05-03