Stephanodiscaceae

Stephanodiscaceae is a family of diatoms belonging to the order Stephanodiscales.

Genera include:
 * Brevisira Krammer
 * Concentrodiscus G.C.Khursevich, A.I.Moisseeva & G.A.Sukhova
 * Crateriportula Flower & Håkansson
 * Cribrionella Jovanovska, Cvetkoska, Tofilovska, Ognjanova-Rumenova & Levkov
 * Cyclocostis Paillès
 * Cyclostephanopsis Loginova
 * Cyclostephanos Round
 * Cyclotella (Kützing) Brébisson
 * Cyclotubicoalitus Stoermer, E.F.Kociolek & W.Cody
 * Dimidialimbus H.Tanaka & T.Nagumo
 * Discotella V.Houk & R.Klee
 * Edtheriotia Kociolek, Q.M.You, Stepanek, R.L.Lowe et Q-X. Wang