| Syracosphaerales | |
|---|---|
 | |
| Coronosphaera calycina | |
Scientific classification  | |
| Domain: | Eukaryota |
| Clade: | Haptista |
| Division: | Haptophyta |
| Class: | Prymnesiophyceae |
| Order: | Syracosphaerales W.W.Hay |
Syracosphaerales is an order of algae consisting of three families: [1]
- Calciosoleniaceae Kamptner, 1937
- Rhabdosphaeraceae Lemmermann, 1908
- Syracosphaeraceae Lemmermann, 1908
