| Phycophthorum | |
|---|---|
| |
| SEM image of zoospore | |
| |
| Sporangium (white arrow) with appendage into diatom (black arrow) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | SAR |
| Clade: | Stramenopiles |
| Phylum: | Bigyra |
| Class: | Labyrinthulea |
| Order: | Thraustochytrida |
| Family: | Thraustochytriidae |
| Genus: | Phycophthorum B.T. Hassett, 2020[1] |
| Species: | P. isakeiti
|
| Binomial name | |
| Phycophthorum isakeiti B.T. Hassett, 2020[1]
| |
Phycophthorum is a monotypic genus of protists that parasitize diatoms, containing the sole species Phycophthorum isakeiti. It was discovered in 2020 in the coastal waters of Norway, as parasites of diatoms belonging to the genus Pleurosigma.