Acanthocystis Carter, 1863 (basis of record)
Acanthocystis Carter, 1863 (extant flag source)
Actinocoryne Febvre-Chevalier, 1980 (extant flag source)
Actinocoryne Febvre-Chevalier, 1980 (basis of record)
Actinolophus Schulze, 1874 (basis of record)
Actinolophus Schulze, 1874 (extant flag source)
Chlamydaster Rainer, 1968 (extant flag source)
Chlamydaster Rainer, 1968 (basis of record)
Choanocystis Penard, 1904 (basis of record)
Choanocystis Penard, 1904 (extant flag source)
Cienkowskya Schaudinn, 1896 (basis of record)
Cienkowskya Schaudinn, 1896 (extant flag source)
Clathrulina Cienkowsky, 1867 (basis of record)
Clathrulina Cienkowsky, 1867 (extant flag source)
Echinocystis Mikrjukov, 1997 accepted as Raineriophrys Mikrjukov, 2001 (extant flag source)
Echinocystis Mikrjukov, 1997 accepted as Raineriophrys Mikrjukov, 2001 (basis of record)
Gymnosphaera Sassaki, 1893 (extant flag source)
Gymnosphaera Sassaki, 1893 (basis of record)
Hedraiophrys Febvre-Chevalier, 1973 (basis of record)
Hedraiophrys Febvre-Chevalier, 1973 (extant flag source)
Hedriocystis Hertwig & Lesser, 1874 (extant flag source)
Hedriocystis Hertwig & Lesser, 1874 (basis of record)
Heterophrys W. Archer, 1869 (extant flag source)
Heterophrys W. Archer, 1869 (basis of record)
Oxnerella Dobell, 1917 (extant flag source)
Oxnerella Dobell, 1917 (basis of record)
Parasphaerastrum Mikrjukov, 1996 (basis of record)
Parasphaerastrum Mikrjukov, 1996 (extant flag source)
Polyplacocystis Mikrjukov, 1996 accepted as Raphidocystis Pénard, 1904 (extant flag source)
Polyplacocystis Mikrjukov, 1996 accepted as Raphidocystis Pénard, 1904 (basis of record)
Pseudoraphidiophrys Mikrjukov, 1997 (extant flag source)
Pseudoraphidiophrys Mikrjukov, 1997 (basis of record)
Pseudoraphidocystis Mikrjukov, 1997 (basis of record)
Pseudoraphidocystis Mikrjukov, 1997 (extant flag source)
Pterocystis Siemensma & Roijackers, 1988 (basis of record)
Pterocystis Siemensma & Roijackers, 1988 (extant flag source)
Raphidiophrys Archer, 1867 (basis of record)
Raphidiophrys Archer, 1867 (extant flag source)
Raphidocystis Pénard, 1904 (basis of record)
Raphidocystis Pénard, 1904 (extant flag source)
Servetia Poche, 1913 (extant flag source)
Servetia Poche, 1913 (basis of record)
Sphaerastrum Greeff, 1873 (basis of record)
Sphaerastrum Greeff, 1873 (extant flag source)
Sticholonche Hertwig, 1877 (extant flag source)
Sticholonche Hertwig, 1877 (basis of record)
Wagnerella Mereschkowsky, 1878 (extant flag source)
Wagnerella Mereschkowsky, 1878 (basis of record)