Claim: Theileriidae, a family of parasites including the genus Theileria, belongs to the Phylum Apicomplexa, Class Aconoidasida and Order Piroplasmida.
Evidence: Theileriidae is a family of parasites in the order Piroplasmida. It includes the genus Theileria. Phylum: Apicomplexa Class: Aconoidasida Order: Piroplasmida