Arthropods from region Japan (East Asia) Arachnida Lamarck, 1801 Arachnids | 307 1261 3831 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 12 21 40 | Families Genera Species | Taxom
| Cephalocarida Sanders, 1955 Cephalocarids, Horseshoe shrimps | 1 1 1 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 12 47 184 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 36 99 215 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 26 117 239 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 696 12064 41018 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 337 1830 5827 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 152 470 1274 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 1 2 2 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 47 162 286 | Families Genera Species | Taxom
| Pauropoda Lubbock, 1868 Pauropodans, Pauropods, Progoneates | 4 8 6 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 12 30 155 | Families Genera Species | Taxom
| Symphyla Ryder, 1880 Dwarf Centipedes, Pseudocentipedes, Symphylans, Symphylids | 2 2 2 | Families Genera Species | Taxom
| Thylacocephala ♰ Pinna & al., 1982 Bivalve arthropods | 2 3 2 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 15 45 70 | Families Genera Species | Taxom
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