Superregnum: Eukaryota Regnum: Chromista Subregnum: Harosa Infraregnum: Heterokonta Phylum: Ochrophyta Subphylum: Khakista Classis: Bacillariophyceae Subclassis: Coscinodiscophycidae Superordo: Coscinodiscanae Ordo: Orthoseirales
Familia: Orthoseiraceae Genus: Orthoseira
Orthoseira