is a specific kind of: protozoan, protozoon.

is a broader term that covers: sporozoite | trophozoite | merozoite | coccidium, eimeria | gregarine | haemosporidian | malaria parasite, plasmodium, Plasmodium vivax | haemoproteid | leucocytozoan, leucocytozoon | piroplasm | sarcocystidean, sarcocystieian, sarcosporidian | haplosporidian | actinomyxidian | microsporidian | myxosporidian ... show more.

is a member of: class Sporozoa, Sporozoa.