• Trachysphaeridium B.V. Timofeev ex B.V. Timofeev, 1966 †
• Trachysphaeridium adischevii (Lopukhin, 1969) Fensome et al., 1990 †
• Trachysphaeridium adornatum Chen et al., 1980 †
• Trachysphaeridium apertum Vidal, 1976 †
• Trachysphaeridium asaphum (Timofeev, 1966) Pyatiletov, 1978 †
• Trachysphaeridium asemantum (Chibrikova, 1972) Medvedeva, 1978 †
• Trachysphaeridium attenuatum Timofeev, 1959 ex Timofeev, 1966 †
• Trachysphaeridium caoshanense Yan, 1982 †
• Trachysphaeridium chihsienense Liu & Xing in Xing & Liu, 1973 †
• Trachysphaeridium compactum Piskun, 1976 †
• Trachysphaeridium complanatum Andreeva, 1966 †
• Trachysphaeridium conglomeratum Chen et al., 1980 †
• Trachysphaeridium dalkiense Nautiyal, 1988 †
• Trachysphaeridium dalongkouense Wang, Zhou & Chen, 1980 †
• Trachysphaeridium decorum Venkatachala et al., 1972 †
• Trachysphaeridium ellipsoidal Ouy-yang, 1979 †
• Trachysphaeridium etouchangense Wang, Zhou & Chen, 1980 †
• Trachysphaeridium filamentum Cao et al., 1979 †
• Trachysphaeridium foramine (Lopukhin, 1971) Fensome et al., 1990 †
• Trachysphaeridium formosum Sheshegova, 1984 †
• Trachysphaeridium gibbosum Ou-yang, Yin & Li, 1974 †
• Trachysphaeridium granosum (Lopukhin, 1971) Fensome et al., 1990 †
• Trachysphaeridium granulatum Ouy-yang, 1979 †
• Trachysphaeridium hyalinum Xing & Liu, 1973 †
• Trachysphaeridium incrassatum (Naumova, 1949) N. Umnova, 1975 †
• Trachysphaeridium irregularium Wang, Zhou & Chen, 1980 †
• Trachysphaeridium jayanense Yan in Yang et al., 1980 †
• Trachysphaeridium lachandinum Timofeev, 1969 †
• Trachysphaeridium laufeldii Vidal, 1976 †
• Trachysphaeridium leptodermum Sheshegova, 1982 †
• Trachysphaeridium magnum (Timofeev, 1969) Pyatiletov, 1978 †
• Trachysphaeridium maicum Timofeev, 1969 †
• Trachysphaeridium minor Liu & Xing in Xing & Liu, 1973 †
• Trachysphaeridium minutissimum (N. Umnova, 1970) N. Umnova, 1975 †
• Trachysphaeridium myctum Ou-yang, Yin & Li, 1974 †
• Trachysphaeridium parapertum Ouy-yang, 1979 †
• Trachysphaeridium patellare Timofeev, 1959 ex Fensome et al., 1990 †
• Trachysphaeridium phalanxum Sheshegova, 1984 †
• Trachysphaeridium plicatum Piskun, 1974 †
• Trachysphaeridium pulchriforme Tian, 1983 †
• Trachysphaeridium raryplicatum Sheshegova, 1984 †
• Trachysphaeridium reticuloideum Yin & Li, 1978 †
• Trachysphaeridium rigidulum (Timofeev, 1966) Fensome et al., 1990 †
• Trachysphaeridium roblotum (Lopukhin, 1971) Fensome et al., 1990 †
• Trachysphaeridium robustum Yin & Li, 1978 †
• Trachysphaeridium rude Sin & Liu in Wang & Chen, 1987 †
• Trachysphaeridium rugellosum (N. Umnova in N. Umnova & Yakovlev, 1970) N. Umnova, 1975 †
• Trachysphaeridium rugosum Xing in Xing & Liu, 1973 †
• Trachysphaeridium striatum Yin & Li, 1978 †
• Trachysphaeridium textuplicatum Piskun, 1976 †
• Trachysphaeridium timofeevi Vidal, 1976 †
• Trachysphaeridium undulatum Fang, 1985 †
• Trachysphaeridium universalum (N. Umnova, 1970) N. Umnova, 1975 †
• Trachysphaeridium uspenskyi Timofeev, 1959 ex Fensome et al., 1990 †
• Trachysphaeridium variabile L.-M. Yin, 1995 †
• Trachysphaeridium vetternii Timofeev, 1969 †
• Trachysphaeridium wangjiawanense Wang Fuxing & Zhai Yongyun, 1982 †
• Trachysphaeridium yimenense Wang, Zhou & Chen, 1980 †
• Trachysphaeridium yunnanense Wang, Zhou & Chen, 1980 †