[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Count: 13c;41o;74f;125g;446s;53v Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925 Count: 12c;39o;71f;118g;441s;53v Class Coscinodiscophyceae Round & R.M. Crawford (1990) - radial centrics Count: 12o;21f;32g;136s;9v Subclass Lithodesmiophycidae Round & R.M. Crawford (1990) see Class Mediophyceae Medlin & Kaczmarska (2004) Count: 1o;1f;2g;2s Order Lithodesmiales Round & R.M. Crawford (1990) Count: 1f;2g;2s Family Lithodesmiaceae Round (1990) Count: 2g;2s 1 Genus Lithodesmium Ehrenb. (1840) Count: 1s 2 Genus Ditylum L.W. Bailey (1861) Count: 1s