Kingdom Animalia Linnaeus, 1758 - animals Phylum Arthropoda Siebold, 1848 - arthropods 1 Subphylum †Trilobitomorpha Størmer, 1944 - trilobites see Superclass Trilobitomorpha Størmer, 1944 2 Subphylum Cheliceriformes 3 Subphylum Uniramia Snodgrass, 1935 see Phylum Arthropoda Siebold, 1848 4 Subphylum Crustacea Brünnich, 1772 - crustaceans see Superclass Crustacea Pennant, 1777