Arthropods from region Mariana Islands (Micronesia) Arachnida Lamarck, 1801 Arachnids | 20 24 25 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 98 252 364 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 97 327 613 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 11 19 20 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 3 3 0 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 1 1 0 | Families Genera Species | Taxom
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