Bonamia ostreae

Bonamia ostreae
Scientific classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: Sar
Clade: Rhizaria
Phylum: Endomyxa
Class: Ascetosporea
Order: Haplosporida
Family: Haplosporiidae
Genus: Bonamia
Species:
B. ostreae
Binomial name
Bonamia ostreae
Pichot, Comps, Tigé, Grizel & Rabouin, 1980

Bonamia ostreae is a parasitic rhizarian that can cause lethal infections in shellfish, particularly the European flat oyster, Ostrea edulis. Infection in oysters rarely results in clinical signs of disease and often the only indication of the infection is increased mortality. The Australian flat oyster, Ostrea angasi, has been infected with two similar Bonamia parasites, Bonamia exitiosa and B. roughleyi.