Arthropods from region Lower Normandy (Normandy, France) Arachnida Lamarck, 1801 Arachnids | 44 113 134 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 1 1 1 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 17 27 33 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 7 13 22 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 242 1295 1943 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 57 81 90 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 25 104 143 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 1 1 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 26 58 16 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 1 1 2 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 21 43 28 | Families Genera Species | Taxom
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