Order: Centrales
De sentriske kiselalgene har rundt skall.
Systematics :
| Kingdom | Det gule riket (Chromista) | ||||||
| Phylum | Diatoms (Bacillariophyta) | ||||||
| Klasse | Kiselalger (Bacillariophyceae) | ||||||
| Order | Centrales | ||||||
| Suborder | Biddulphiineae | ||||||
| Family | Chaetoceraceae | ||||||
| Genus | Chaetoceros | ||||||
| Family | Eupodiscaceae | ||||||
| Genus | Eucampia | ||||||
| Family | Lithodesmiaceae | ||||||
| Genus | Ditylum | ||||||
| Suborder | Coscinodiscineae | ||||||
| Family | Coscinodiscaceae | ||||||
| Genus | Coscinodiscus | ||||||
| Family | Melosiraceae | ||||||
| Genus | Aulacoseira | ||||||
| Genus | Cyclotella | ||||||
| Genus | Melosira | ||||||
| Family | Thalassiosiraceae | ||||||
| Genus | Cyclotella | ||||||
| Genus | Lauderia | ||||||
| Genus | Skeletonema | ||||||
| Genus | Thalassiosira | ||||||
| Suborder | Rhizosoleniineae | ||||||
| Family | Rhizosoleniaceae | ||||||
| Genus | Rhizosolenia | ||||||
Sustain.no is provided by the Norwegian Centre for Science Education