Arthropods from region McDonald Islands (Australia) Arachnida Lamarck, 1801 Arachnids | 2 2 1 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 3 4 3 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 2 3 2 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 27 31 29 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 54 82 72 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 13 23 40 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 7 16 10 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 10 15 25 | Families Genera Species | Taxom
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