Arthropods from region Guam (Micronesia) Arachnida Lamarck, 1801 Arachnids | 19 43 55 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 3 4 5 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 3 4 4 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 2 3 3 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 196 802 1066 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 119 410 796 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 22 32 30 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 5 5 2 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 3 4 5 | Families Genera Species | Taxom
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