[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925 Class Coscinodiscophyceae Round & R.M. Crawford (1990) - radial centrics Subclass Rhizosoleniophycidae Round & R.M. Crawford (1990) 1 Order Rhizosoleniales P.C.Silva (1962)