Protoopalina hylarum
| Protoopalina hylarum | |
|---|---|
| artist: Maynard M. Metcalf (1923), after Janet W. Raff (1911) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Clade: | Diaphoretickes | 
| Clade: | Sar | 
| Clade: | Stramenopiles | 
| Phylum: | Bigyra | 
| Class: | Opalinea | 
| Order: | Opalinida | 
| Family: | Opalinidae | 
| Genus: | Protoopalina | 
| Species: | P. hylarum | 
| Binomial name | |
| Protoopalina hylarum (Raff, 1911) | |
Protoopalina hylarum is a species of protozoa in the Opalinidae family, and an amphibian parasite. It was first described in 1911 by Janet W. Raff as Opalina hylarum.