Didymosellidae Brown, 1952
Didymosella conchicola Gordon, 1989
Didymosella inopinata d'Hondt, 1986
Didymosella larvalis (MacGillivray, 1869)
Didymosella parvipora Canu & Bassler, 1929
Didymosella pluma Cook & Chimonides, 1981
