Arthropods from region Brazil (Northern South America) Arachnida Lamarck, 1801 Arachnids | 390 2350 9166 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 22 73 170 | 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 | 13 43 198 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 39 160 386 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 26 104 185 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 758 16427 71407 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 306 1110 2373 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 117 384 859 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 38 153 173 | Families Genera Species | Taxom
| Pauropoda Lubbock, 1868 Pauropodans, Pauropods, Progoneates | 3 9 57 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 12 22 65 | Families Genera Species | Taxom
| Remipedia Yager, 1981 Cave-dwelling crustaceans, Remipedes | 1 1 0 | Families Genera Species | Taxom
| Symphyla Ryder, 1880 Dwarf Centipedes, Pseudocentipedes, Symphylans, Symphylids | 2 4 1 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 12 20 11 | Families Genera Species | Taxom
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