Eukaryota  >  Bacillariophyta  >  Thalassiosirophyceae

Family	Genus	Species
Acanthocerataceae	2	7
Anaulaceae	3	8
Ardissoneaceae	6	12
Bellerocheaceae	3	9
Chaetocerotaceae	2	301
Chrysanthemodiscaceae	1	3
Cymatosiraceae	12	73
Eucampiaceae	2	12
Eupodiscaceae	1	0
Hemiaulaceae	1	7
Hydroseraceae	2	5
Isthmiaceae	2	4
Lampriscaceae	1	4
Lauderiaceae	1	6
Liparogyraceae	3	1
Lithodesmiaceae	6	22
Odontellaceae	8	40
Parodontellaceae	1	5
Phycavernosaceae	1	0
Rutilariaceae	1	0
Skeletonemataceae	0	1
Thalassiosiraceae	29	508
Trigoniumaceae	1	1