coccidia

noun plural

coc·​cid·​ia käk-ˈsid-ē-ə 

1

capitalized : a large order of schizogonic telosporidian sporozoans typically parasites of the digestive epithelium of vertebrates and higher invertebrates and including several forms of great economic importance see cryptosporidium, eimeria, haemogregarina, isospora

2

: sporozoans of the order Coccidia

coccidial

(ˈ)käk-ˈsid-ē-əl 

adjective