Arthropods from region Southeast Brazil (Brazil) Arachnida Lamarck, 1801 Arachnids | 214 695 1155 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 13 29 50 | 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 | 9 13 17 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 16 50 136 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 15 42 60 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 490 6922 16136 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 212 609 939 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 69 169 286 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 12 33 29 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 9 13 12 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 3 3 3 | Families Genera Species | Taxom
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