Arthropods from region Southern Indian Ocean (Indian Ocean) Arachnida Lamarck, 1801 Arachnids | 1 1 1 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 3 5 4 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 3 4 4 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 15 17 18 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 11 13 12 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 9 13 13 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 4 5 10 | Families Genera Species | Taxom
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