Eukaryota  >  Bacillariophyta  >  Coscinodiscophyceae

Family	Genus	Species
Acanthocerataceae	1	5
Asterolampraceae	2	5
Attheyaceae	1	70
Aulacodiscaceae	1	5
Aulacoseiraceae	1	23
Chaetocerotaceae	2	300
Chrysanthemodiscaceae	1	3
Corethraceae	1	9
Coscinodiscaceae	6	36
Endictyaceae	1	1
Ethmodiscaceae	1	1
Heliopeltaceae	1	10
Hemidiscaceae	2	29
Hyalodiscaceae	2	11
Lauderiaceae	1	6
Leptocylindraceae	2	12
Liparogyraceae	1	1
Melosiraceae	1	21
Orthoseiraceae	1	4
Paraliaceae	1	11
Radialiplicataceae	1	5
Rhizosoleniaceae	8	42
Skeletonemataceae	1	94
Stephanodiscaceae	6	133
Stephanopyxidaceae	1	6
Stictocyclaceae	1	1
Thalassiosiraceae	12	267