Arthropods from region Ørsta (Sunnmøre, Norway) Arachnida Lamarck, 1801 Arachnids | 1 1 1 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 19 34 46 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 29 34 42 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 1 1 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 3 3 3 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 1 1 0 | Families Genera Species | Taxom
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