Arthropods from region Rio Grande do Norte (Northeast Brazil, Brazil) Arachnida Lamarck, 1801 Arachnids | 32 58 48 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 2 2 1 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 2 2 2 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 4 6 7 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 95 333 506 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 82 145 190 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 8 8 8 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 2 3 3 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 1 1 0 | Families Genera Species | Taxom
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