Cymatosiraceae is a family of diatoms in the order Cymatosirales.
Arcocellulus – Brockmanniella – Campylosira – Cymatosira – Cymatosirella – Extubocellulus – Hyalinella – †Kisseleviella – †Koizumia – Lennoxia – Leyanella – Minutocellulus – Minutocellus – Papiliocellulus – Pierrecomperia – Plagiogrammopsis – Pseudoleyanella – Syvertsenia