Cymbomonas J.Schiller, 1913 (basis of record)
Cymbomonas tetramitiformis Schiller, 1913 (basis of record)
Dolichomastix lepidota Manton, 1977 (basis of record)
Dolichomastix nummilifera Manton (basis of record)
Halosphaera F.Schmitz, 1878 (basis of record)
Halosphaera viridis F.Schmitz, 1878 (basis of record)
Heteromastix longifilis (Butcher) Ryans, 1964 accepted as Nephroselmis pyriformis (N.Carter) Ettl, 1982 (basis of record)
Heteromastix minuta N.Carter, 1937 accepted as Nephroselmis minuta (N.Carter) Butcher, 1959 (basis of record)
Heteromastix rotunda (N.Carter) Manton, 1964 accepted as Nephroselmis rotunda (N.Carter) Fott, 1971 (basis of record)
Mamiella gilva (Parke & Rayns) Ø.Moestrup, 1984 (basis of record)
Mantoniella squamata (Manton & Parke) Desikachary, 1972 (basis of record)
Micromonas pusilla (Butcher) Manton & Parke, 1960 (basis of record)
Micromonas squamata Manton & Parke, 1960 accepted as Mantoniella squamata (Manton & Parke) Desikachary, 1972 (basis of record)
Nephroselmis gilva Parke & Rayns, 1964 accepted as Mamiella gilva (Parke & Rayns) Ø.Moestrup, 1984 (basis of record)
Nephroselmis minuta (N.Carter) Butcher, 1959 (basis of record)
Nephroselmis pyriformis (N.Carter) Ettl, 1982 (basis of record)
Nephroselmis rotunda (N.Carter) Fott, 1971 (basis of record)
Platymonas G.S.West, 1916 accepted as Tetraselmis F.Stein, 1878 (basis of record)
Platymonas contracta N.Carter, 1937 accepted as Tetraselmis contracta (N.Carter) Butcher, 1959 (basis of record)
Pseudoscourfieldia marina (J.Throndsen) Manton, 1975 (basis of record)
Pyramimonas Schmarda, 1849 (basis of record)
Pyramimonas circulanae Pennick (basis of record)
Pyramimonas cordata G.I.McFadden, 1986 (basis of record)
Pyramimonas longicaudavan Meel accepted as Pyramimonas longicauda L.Van Meel, 1969 (basis of record)
Pyramimonas nansenii Braarud, 1935 (basis of record)
Pyramimonas norrisii S.Sym & R.Pienaar, 1991 accepted as Pyramimonas moestrupii McFadden, 1986 (basis of record)
Pyramimonas ostendensis L.Van Meel, 1969 accepted as Pyramimonas longicauda L.Van Meel, 1969 (basis of record)
Pyramimonas subg. Pyramimonas octopus Moestrup & Aa. Kristiansen (basis of record)
Pyramimonas subg. Trichocystis grossii Parke, 1949 (basis of record)
Pyramimonas subg. Vestigifera disomata McFadden, Hill & Wetherbee (basis of record)
Pyramimonas subg. Vestigifera mantoniae Moestrup & Hill (basis of record)
Pyramimonas subg. Vestigifera orientalis McFadden, Hill & Wetherbee represented as Pyramimonas orientalis Butcher ex McFadden, Hill & Wetherbee, 1986 (basis of record)
Pyramimonas virginica Pennick, 1977 (basis of record)
Scourfieldia marina J.Throndsen, 1969 accepted as Pseudoscourfieldia marina (J.Throndsen) Manton, 1975 (basis of record)
Tetraselmis contracta (N.Carter) Butcher, 1959 (basis of record)

European waters (ERMS scope) for Cymbomonas tetramitiformis Schiller, 1913 
European waters (ERMS scope) for Dolichomastix lepidota Manton, 1977 
European waters (ERMS scope) for Dolichomastix nummilifera Manton 
European waters (ERMS scope) for Halosphaera viridis F.Schmitz, 1878 
European waters (ERMS scope) for Mamiella gilva (Parke & Rayns) Ø.Moestrup, 1984 
European waters (ERMS scope) for Mantoniella squamata (Manton & Parke) Desikachary, 1972 
European waters (ERMS scope) for Micromonas pusilla (Butcher) Manton & Parke, 1960 
European waters (ERMS scope) for Nephroselmis minuta (N.Carter) Butcher, 1959 
European waters (ERMS scope) for Nephroselmis pyriformis (N.Carter) Ettl, 1982 
European waters (ERMS scope) for Nephroselmis rotunda (N.Carter) Fott, 1971 
European waters (ERMS scope) for Pseudoscourfieldia marina (J.Throndsen) Manton, 1975 
European waters (ERMS scope) for Pyramimonas circulanae Pennick 
European waters (ERMS scope) for Pyramimonas cordata G.I.McFadden, 1986 
European waters (ERMS scope) for Pyramimonas longicaudavan Meel 
European waters (ERMS scope) for Pyramimonas nansenii Braarud, 1935 
European waters (ERMS scope) for Pyramimonas norrisii S.Sym & R.Pienaar, 1991 
European waters (ERMS scope) for Pyramimonas propulsa Moestrup & Hill, 1991 
European waters (ERMS scope) for Pyramimonas subg. Pyramimonas octopus Moestrup & Aa. Kristiansen 
European waters (ERMS scope) for Pyramimonas subg. Trichocystis grossii Parke, 1949 
European waters (ERMS scope) for Pyramimonas subg. Vestigifera disomata McFadden, Hill & Wetherbee 
European waters (ERMS scope) for Pyramimonas subg. Vestigifera mantoniae Moestrup & Hill 
European waters (ERMS scope) for Pyramimonas subg. Vestigifera orientalis McFadden, Hill & Wetherbee 
European waters (ERMS scope) for Pyramimonas virginica Pennick, 1977 
European waters (ERMS scope) for Tetraselmis contracta (N.Carter) Butcher, 1959