Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: Sar Infraregnum: Heterokonta Phylum: Ochrophyta Subphylum: Khakista Classis: Bacillariophyceae Subclassis: Coscinodiscophycidae Superordo: Coscinodiscanae Ordo: Orthoseirales
Familia: Orthoseiraceae Genus:
Orthoseira