Tyzzeria

Tyzzeria
Scientific classification
Domain:	Eukaryota
Kingdom:	Chromalveolata
Superphylum:	Alveolata
Phylum:	Apicomplexa
Class:	Conoidasida
Order:	Eucoccidiorida
Family:	Eimeriidae
Genus:	Tyzzeria
Species
	Tyzzeria alleni; Tyzzeria anseris; Tyzzeria chenicusae; Tyzzeria boae; Tyzzeria parvula; Tyzzeria pellerdyi; Tyzzeria perniciosa;

Tyzzeria is a genus of parasitic protozoa that with one exception (Tyzzeria boae) infect the cells of the small intestine.

History

The genus Tyzzeria was first described by Allen in 1936.^[1]

The oocysts contains eight naked sporozoites.

Tyzzeria boae - Boa constrictor
Tyzzeria perniciosa - lesser scaup (Aythya affinis)

^ Allen EA (1936) Tyzzeria perniciosa gen. et sp. nov., a coccidium from the small intestine of Pekin Duck, Anas domesticus L. Archiv für Protistenkunde 87, 262-267