Kingdom [Animalia] Linnaeus, 1758 - animals Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818 Class Sporozoa Leuckart, 1879 see Class Sporozoea Order Gregarinida Poche, 1913 see Subclass Gregarinasina Dufour, 1828 Suborder Eugregarinida see Order Eugregarinida Léger, 1899 Genus [Gregarina] Dufour, 1828 Gregarina polymorpha