Kingdom Animalia Linnaeus, 1758 - animals Count: - Phylum Arthropoda Siebold, 1848 - arthropods Count: - Subphylum Cheliceriformes Count: - Class Chelicerata Heymons, 1901 Count: - Subclass Arachnida Lamarck see Class Arachnida Lamarck, 1801 Count: - Order Acari Leach, 1817 - mites, ticks and chiggers see Subclass Acari Leach, 1817 Count: - Suborder Opilioacariformes - primitive mites see Superorder Opilioacariformes Count: [*] 1f 1 Family Opiliocaridae see Family Opilioacaridae With, 1902 Count: -