Stephanodiscus rotula Kingdom Chromista Phylum Bacillariophyta Class Mediophyceae Order Thalassiosirales Family Stephanodiscaceae Authority (KÙtz.) Hendey, 1964 Read more about Stephanodiscus rotula
Thalassiosira rotula Kingdom Chromista Phylum Bacillariophyta Class Mediophyceae Order Thalassiosirales Family Thalassiosiraceae Authority Meunier, 1910 Read more about Thalassiosira rotula