Arthropods from region Northampton County (Virginia, USA) Arachnida Lamarck, 1801 Arachnids | 28 35 33 | 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 | 5 9 9 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 2 2 2 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 204 753 973 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 45 65 90 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 4 4 3 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 13 20 21 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 6 7 3 | Families Genera Species | Taxom
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