| Noun | 1. | order Haemosporidia - an order in the subclass Telosporidia animal order - the order of animals subclass Telosporidia, Telosporidia - parasitic sporozoans that form spores containing one or more infective sporozoites haemosporidian - minute protozoans parasitic at some stage of the life cycle in blood cells of vertebrates including many pathogens family Plasmodiidae, Plasmodiidae - malaria parasites family Haemoproteidae, Haemoproteidae - bird parasites Babesiidae, family Babesiidae - piroplasms and cattle pathogens |