Centrohelid
| Centrohelids | |
|---|---|
| Raphidiophrys contractilis | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Clade: | Diaphoretickes | 
| Phylum: | Haptista | 
| Class: | Centroplasthelida Febvre‐Chevalier & Febvre, 1984 | 
| Orders | |
| 
 Incertae sedis 
 | |
| Synonyms | |
| 
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The centrohelids or centroheliozoa are a large group of heliozoan protists. They include both mobile and sessile forms, found in freshwater and marine environments, especially at some depth.