Arthropods from region Paraiba (Northeast Brazil, Brazil) Arachnida Lamarck, 1801 Arachnids | 22 32 38 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 9 15 17 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 3 4 2 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 3 3 6 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 107 430 568 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 55 89 116 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 10 14 15 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 1 1 1 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 1 1 1 | Families Genera Species | Taxom
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