Cymatiosphaera O.Wetzel, 1933 genus accepted

Pterospermopsis W.Wetzel, 1952 genus accepted

Anisomonas Butcher, 1959 genus synonym

Crassosphaera I.C.Cookson & S.Manum, 1960 genus accepted

Duvernaysphaera F.L.Staplin, 1961 genus accepted

Tarsisphaeridium W.Riegel, 1974 genus doubtful

Tapajonites F.W.Sommer & N.M.van Boekel, 1963 genus doubtful

Hungarodiscus E.Kriván-Hutter, 1963 genus accepted

Leiosphaerdia A.Eisenack, 1958 genus doubtful

Tytthodiscus W.L.Norem, 1955 genus accepted

Melikeriopalla H.Tappan & A.R.Loeblich Jr., 1972 genus doubtful

Polyedrixium J.Deunff, 1954 genus doubtful

Quadratitum F.H.Cramer, 1964 genus doubtful

Granodiscus K.Mädler, 1963 genus doubtful

Cavatisporites Jachowicz, 1967 genus synonym

Pseudoscourfieldia I.Manton, 1975 genus accepted

Pycnococcus R.R.L.Guillard, 1991 genus doubtful

Dictyotidium Eisenack, 1955 genus accepted

Glyptosphaera V.V.Kirjanov, 1978 genus doubtful