Arthropods from region South Brazil (Brazil) Arachnida Lamarck, 1801 Arachnids | 128 390 573 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 13 43 75 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 4 8 10 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 11 18 39 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 4 5 4 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 447 5281 10268 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 110 201 308 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 46 83 117 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 5 7 9 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 5 5 5 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 6 10 4 | Families Genera Species | Taxom
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