De familie Oocystaceae Bohlin kent 90 geslachten.
| Aerosphaera Gerneck | Gloeotaenium Hansgirg | Palmellococcus Chodat |
| Amphikrikos Korshikov | Gloxidium Korshikov | Pilidiocystis Bohlin |
| Bernardia Playfair | Granulocystis Hindák | Planctonema Schmidle |
| Calyptobactron Geitler | Granulocystopsis Hindák | Planctonemopsis Liu, Zhu, Liu, Hu & Liu |
| Catenocystis F.Hindák | Hemichloris Tschermak-Woess & Friedman | Planktosphaerella Reisigl |
| Cerasterias Reinsch | Hyalochlorella R.O.Poyton | Pseudobohlina Bourrelly |
| Chlorellopsis Zeitler | Hydrocystis W.B.Turner | Pseudochlorococcum P.A.Archibald |
| Chlorothecium Krüger | Jaagichlorella Reisigl | Pseudococcomyxa Korshikov |
| Chodatella Lemmermann | Juranyiella Hortobagyi | Quadricoccus Fott |
| Chodatellopsis Korshikov | Keriochlamys Pascher | Rayssiella Edelstein & Prescott |
| Chondrosphaera Skuja | Kirchneriellosaccus A.K.M.N.Islam | Reinschiella De Toni |
| Coenolamellus Proshkina-Lavrenko | Lagerheimia Chodat | Rhombocystis J.Komárek |
| Conococcus H.J.Carter | Lagerheimiella Boedijn | Richteriella Lemmermann |
| Conradia Kufferath | Makinoella Okada | Saturnella Mattauch & Pascher |
| Crucigeniella Lemmermann | Makinoelloideae Stenclová | Schizochlamydella Korshikov |
| Cryocystis E.Kol ex Komárek & Fott | Micracantha Korshikov | Scotiella Fritsch |
| Dactylococcus Nägeli | Mycacanthococcus Hansgirg | Scotiellocystis B.Fott |
| Didymocystis Korshikov | Mycotetraedron Hansgirg | Selenoderma K.Bohlin |
| Discocytis Skuja | Nephrochlamys Korshi | Sestosoma Hortobagyi |
| Ecballocystis Bohlin | Nephrocytium Nägeli | Siderocystis Korshikov |
| Ecballocystopsis Iyengar | Oocystaenium Gonzalves & Mehra | Siderocystopsis E.M.F.Swale |
| Ecdysichlamys G.S.West | Oocystella Lemmermann | Staurophanum Turner |
| Echinocoleum C.-C.Jao & K.T.Lee | Oocystidium Korshikov | Tetraceras Chodat |
| Elongatocystis L.Krienitz & C.Bock | Oocystis Nägeli ex A.Braun | Tetrachlorella Korshikov |
| Eremosphaera De Bary | Oocystoideae Korshikov | Tetratomococcus Korshiko |
| Ettliella F.Hindák | Oocystopsis Heynig | Thelesphaera Pascher |
| Fotterella R.Buck | Oonephris Fott | Trigonidiella P.C.Silva |
| Franceia Lemmermann | Ooplanctella Pazoutova, Skaloud & Nemjova | Trigonidium Pascher |
| Glochiococcus G.B.De Toni | Pachycladella P.C.Silva | Trochiscia Kützing |
| Gloeocystopsis G.M.Smith | Pachycladon G.M.Smith |
