Arthropods from region Horten (Vestfold, Norway) Arachnida Lamarck, 1801 Arachnids | 26 66 76 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 2 2 2 | 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 | 3 5 6 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 13 46 96 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 193 934 1398 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 39 48 50 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 3 4 4 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 3 3 3 | Families Genera Species | Taxom
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