Arthropods from region American Samoa (Polynesia) Arachnida Lamarck, 1801 Arachnids | 37 41 55 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 1 1 1 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 2 2 2 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 2 2 2 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 6 6 14 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 158 600 861 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 63 163 287 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 14 16 18 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 8 11 14 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 2 2 9 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 4 4 3 | Families Genera Species | Taxom
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