An extensive division of parasitic Protozoa, which increase by sporulation. It includes the Gregarinida.
                                                            
                                                     
                        
                                                
                        
                        
                            A type of protozoa that include Plasmodium and Toxoplasma, responsible for the diseases of malaria and toxoplasmosis.
                                                            
                                                     
                        
                                                
                        
                        
                            strictly parasitic protozoans that are usually immobile; includes plasmodia and coccidia and piroplasms and malaria parasites