Phycophthorum

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
Species:
P. isakeiti
Binomial name
Phycophthorum isakeiti
B.T. Hassett, 2020

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.