Phascolionidae
# Phascolionidae

Phascolionidae es una familia de Sipuncula o gusanos cacahuete.

## Descripción

Carecen del nefridio izquierdo, los husos musculares y algunos retractores.

## Especies

### Onchnesoma

* Onchnesoma intermedium Murina, 1976
* Onchnesoma magnibathum Cutler, 1969
* Onchnesoma squamatum oligopapillosum (Cutler, Cutler y Nishikawa, 1984)
* Onchnesoma squamatum squamatum (Koren y Danielssen, 1875)
* Onchnesoma steenstrupii nudum Cutler y Cutler, 1985
* Onchnesoma steenstrupii steenstrupii Koren y Danielssen, 1875

### Phascolion

* Phascolion abnorme Fischer 1895
* Phascolion bogorovi Murina 1973
* Phascolion caupo Hendrix 1975
* Phascolion cirratum Murina, 1968
* Phascolion collare Selenka and de Man, 1883
* Phascolion convestitum Sluiter, 1902
* Phascolion cryptum Hendrix, 1975
* Phascolion gerardi Rice, 1993
* Phascolion hedraeum Selenka and de Man, 1883
* Phascolion hibridum Murina 1981
* Phascolion hupferi Fischer, 1895
* Phascolion lucifugax Selenka and de Man, 1883
* Phascolion lutense Selenka, 1885
* Phascolion medusae Cutler and Cuttler, 1980
* Phascolion megaethi Cutler & Cutler 1979
* Phascolion microspheroidis Cutler and Duffy, 1972
* Phascolion pacificum Murina, 1957
* Phascolion pharetratum Sluiter 1902
* Phascolion psammophilus Rice 1993
* Phascolion rectum Ikeda, 1904
* Phascolion robertsoni Stephen & Robertson 1952
* Phascolion strombus (Montagu, 1804)
* Phascolion tuberculosum Théel, 1875
* Phascolion ushakovi Murina 1974
* Phascolion valdiviae Fischer, 1916
