Tetrahelia
| Tetrahelia | |
|---|---|
| Scientific classification | |
| Phylum: | Cryptista | 
| Class: | Endohelea | 
| Order: | Axomonadida Cavalier-Smith in Yabuki et al. 2012 emend. 2022 | 
| Family: | Tetraheliidae Cavalier-Smith 2022 | 
| Genus: | Tetrahelia Cavalier-Smith 2022 | 
| Species: | T. pterbica | 
| Binomial name | |
| Tetrahelia pterbica (Mikrjukov & Patterson 2000) Cavalier-Smith 2022 | |
| Synonyms | |
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Tetrahelia (from Latin tetra- 'four' and helio- 'sun') is a genus of four-ciliated protists belonging to the Endohelea, a group of heterotrophic eukaryotes previously considered heliozoa. It is the only genus in the family Tetraheliidae and order Axomonadida. It is a monotypic genus, containing the sole species Tetrahelia pterbica, previously classified as Tetradimorpha.