subphylum Onychophora Grube 1853
subphylum Myriapoda Latreille 1796
classis Chilopoda Latreille 1817
classis Diplopoda Gervais 1844
classis Symphyla Ryder 1880
classis Pauropoda Lubbock 1866
classis Arthropleurida Waterlot 1934
subphylum Hexapoda Latreille 1825
classis Protura Silvestri 1907
classis Collembola Lubbock 1862
classis Diplura Börner 1904
classis Thysanura Handlirsch 1908
classis Pterygota
(Insecta) Brauer 1885phylum Crustacea Pennant 1777
classis Cephalocarida Sanders 1955
classis Branchiopoda Latreille 1817
classis Ostracoda Latreille 1806
classis Maxillopoda Dahl 1956
subclassis Copepoda Milne-Edwards 1840
subclassis Mystacocarida Pennak & Zinn 1943
subclassis Branchiura Thorell 1864
subclassis Cirripedia Burmeister 1834
classis Malacostraca Latreille 1806
subclassis Phyllocarida Packard 1879
subclassis Hoplocarida Calman 1904
subclassis Eumalacostraca Grobben 1892
phylum Cheliceriformes, nov.
subphylum Pycnogonida Latreille 1810
subphylum Chelicerata Heymons 1901
classis Merostomata Dana 1852
subclassis Xiphosura Latreille 1802
subclassis Eurypterida Burmeister 1843
classis Arachnida Lamarck 1801
phylum Trilobitomorpha Stormer 1944
classis Trilobitoidea Stormer 1959
classis Trilobita Walch 1771