Eukaryota  >  Bacillariophyta  >  Coscinodiscophyceae  >  Thalassiosirales

Genus	Species
Bacterosira	8
Conticribra	4
Detonula	3
Lauderia	6
Lineaperpetua	1
Mediolabrus	2
Minidiscus	24
Porosira	13
Roundia	1
Shionodiscus	7
Skeletonema	91
Stephanocyclus	2
Thalassiosira	189