Idunella aeqvicornis (G.O. Sars, 1877)
Idunella dentipalma (Dauvin & Gentil, 1983)
Idunella excavata (Schiecke, 1973)
Idunella longirostris (Chevreux, 1920) accepted as Sextonia longirostris Chevreux, 1920
Idunella mollis (Myers & McGrath, 1983)
Idunella nana (Krapp-Schickel, 1975) accepted as Idunella nana (Schiecke, 1973)
Idunella nana (Schiecke, 1973)
Idunella picta (Norman, 1889)
Idunella pirata Krapp-Schickel, 1975
Idunella spinifera (Dauvin & Gentil, 1983)
Listriella dentipalma Dauvin & Gentil, 1983 accepted as Idunella dentipalma (Dauvin & Gentil, 1983)
Listriella mollis Myers & McGrath, 1983 accepted as Idunella mollis (Myers & McGrath, 1983)
Listriella picta Norman, 1889 accepted as Idunella picta (Norman, 1889)
Listriella spinifera Dauvin & Gentil, 1983 accepted as Idunella spinifera (Dauvin & Gentil, 1983)
Sextonia longirostris Chevreux, 1920