Poecilostomatoida Thorell, 1859
Acaenomolgus Humes & Stock, 1972
Eupolymniphilus Humes & Boxshall, 1996
Herrmannella Canu, 1891
Myxomolgoides Humes, 1975
Myxomolgus Humes & Stock, 1972
Nasomolgus Sewell, 1949
Phoronicola Boxshall & Humes, 1988
Sabelliphilus Sars M., 1862
Serpuliphilus Humes & Stock, 1972
Terebelliphilus Kim I.H., 2001