Balcattia I.C. Cookson & A. Eisenack, 1974 † (original description)
Barathrisphaeridium E.R. Wicander, 1974 † (original description)
Craspedodinium I.C. Cookson & A. Eisenack, 1974 † (original description)
Crassisphaeridium E.R. Wicander, 1974 † (original description)
Diaphorochroa E.R. Wicander, 1974 † (original description)
Divietipellis E.R. Wicander, 1974 † (original description)
Dorsennidium E.R. Wicander, 1974 † (original description)
Ecmelostoiba E.R. Wicander, 1974 † (original description)
Ecthymabrachion E.R. Wicander, 1974 † (original description)
Ephelopalla E.R. Wicander, 1974 † (original description)
Exilisphaeridium E.R. Wicander, 1974 † (original description)
Exochoderma E.R. Wicander, 1974 † (original description)
Guttatisphaeridium E.R. Wicander, 1974 † (original description)
Naevisphaeridium E.R. Wicander, 1974 † (original description)
Palacanthus E.R. Wicander, 1974 † (original description)
Pustulisphaeridium E.R. Wicander, 1974 † (original description)