Arthropods from region Essex (East England, United Kingdom) Arachnida Lamarck, 1801 Arachnids | 58 172 252 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 5 10 13 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 7 7 7 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 11 18 21 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 3 4 3 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 370 2331 4274 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 54 81 104 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 13 25 29 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 1 3 2 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 10 19 22 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 7 8 7 | Families Genera Species | Taxom
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