Arthropods from region Noardeast-Fryslân (Friesland, Netherlands) Arachnida Lamarck, 1801 Arachnids | 77 116 143 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 9 23 34 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 164 778 1071 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 21 27 30 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 1 1 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 6 6 4 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 18 24 25 | Families Genera Species | Taxom
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