Contains | Aerosphaera Amphikrikos Bernardia Playfair Calyptobactron Catenocystis Cerasterias Reinsch Chlorellopsis Chloroidium Chodatella Chodatellopsis Chondrosphaera Coenolamellus Conococcus Conradia Kufferath Crucigeniella Cryocystis Dactylococcus Nägeli Didymocystis Discocytis Ecballocystis Bohlin Ecballocystopsis Ecdysichlamys Echinocoleum Elongatocystis Eremosphaera de Bary Ettliella Fotterella Franceia Lemmermann Glochiococcus Gloeocystopsis G. M. Smith Gloeotaenium Hansgirg Gloxidium Granulocystis Granulocystopsis Hemichloris Hyalochlorella Hydrocystis Jaagichlorella Juranyiella Keriochlamys Kirchneriellosaccus Micracantha Mycacanthococcus Mycotetraedron Nephrochlamys Nephrocytium Nägeli Oocystaenium Oocystella Oocystidium Oocystis Nägeli ex A. Braun Oonephris Ooplanctella Pachycladella Palmellococcus Chodat Pilidiocystis Planctonema Planktosphaerella Pseudobohlina Pseudochlorococcum Pseudococcomyxa Quadricoccus Rayssiella Reinschiella De Toni Rhombocystis Richteriella Saturnella Schizochlamydella Scotiella Scotiellocystis Selenoderma Sestosoma Siderocystis Siderocystopsis Staurophanum Tetrachlorella Tetracoccus W. West Thelesphaera Trigonidiella Trochiscia Kützing |