Eukaryota  >  Bacillariophyta  >  Mediophyceae

Order	Family	Genus	Species
Anaulales	1	3	8
Ardissoneales	1	2	5
Biddulphiales	1	7	29
Cymatosirales	1	12	75
Eupodiscales	3	8	41
Hemiaulales	2	6	27
Lithodesmiales	1	4	21
Toxariales	1	1	2
Triceratiales	2	10	64