Isodiametridae Hooge & Tyler, 2005
Avagina glandulifera Westblad, 1953
Avagina incola Leiper, 1902
Avagina marci Dörjes & Karling, 1975
Avagina polyvacuola Ehlers & Doerjes, 1979
Avagina sublitoralis Faubel, 1976
Avagina vivipara Hickman, 1956
