Kingdom Protoctista Hogg, 1860 Phylum Bacillariophyta Engl. & Gilg (1919) - diatoms see [unranked] Diatomea Kütz. (1844) Class Coscinodiscophyceae Round & R.M. Crawford (1990) - radial centrics Subclass Coscinodiscophycidae Round & R.M. Crawford (1990) Order Asterolamprales Round & R.M. Crawford (1990) Family Asterolampraceae H.L. Sm. (1872) 1 Genus Asterolampra Ehrenb. (1845) 2 Genus Asteromphalus Ehrenb. (1844)