[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 Fragilariophyceae Round (1990) - araphid, pennate diatoms see Class Bacillariophyceae Haeckel (1878) Count: 6o;6f;15g;28s Subclass Fragilariophycidae Round (1990) - core araphid diatoms Count: 6o;6f;15g;28s Order Thalassionematales Round (1990) Count: 1f;2g;4s Family Thalassionemataceae Round (1990) Count: 2g;4s Genus Thalassiothrix Cleve & Grunow (1880) Count: 3s Thalassiothrix frauenfeldii Grunow Count: -