| Proteromonadidae | |
|---|---|
| Scientific classification | |
| (unranked): | SAR |
| Superphylum: | Heterokonta |
| Phylum: | Placidozoa |
| Class: | Opalinea |
| Order: | Slopalinida |
| Family: | Proteromonadidae |
| Genera | |
Proteromonadidae is a paraphyletic family of heterokonts, that resemble Opalinidae.