Arthropods from region Hancock (Morgan County, West Virginia, USA) Arachnida Lamarck, 1801 Arachnids | 4 4 4 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 28 54 66 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 2 3 3 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 1 1 0 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 1 1 0 | Families Genera Species | Taxom
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