[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Status: extant Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925 Status: extant Class Coscinodiscophyceae Round & R.M. Crawford (1990) - radial centrics Status: extant Subclass Coscinodiscophycidae Round & R.M. Crawford (1990) Status: extant Order Paraliales R.M. Crawford (1990) Status: extant 1 Family Paraliaceae R.M. Crawford (1988) Status: extant