Arthropods from region Tristan da Cunha (Saint Helena, Ascension and Tristan da Cunha) Arachnida Lamarck, 1801 Arachnids | 26 32 32 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 5 6 14 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 1 1 1 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 2 2 1 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 114 267 404 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 129 257 369 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 28 46 55 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 13 23 16 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 9 12 25 | Families Genera Species | Taxom
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