Raphidiophrys Archer, 1867, emend. Zlatogursky, 2012

Diagnosis: Centroheliozoa with one type of flattened, tangential siliceous scales surrounded by a broad hollow marginal rim. Scales consisting of upper and lower plates connected by internal radial septa. Spindle-shaped spicules may occur. May form clusters of cells (colonies).

Type species. Raphidiophrys viridis Archer, 1867

References: Siemensma and Roijackers (1988b), Zlatogursky (2012).