Arthropods from region West Virginia (USA) Arachnida Lamarck, 1801 Arachnids | 93 237 331 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 3 6 6 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 7 11 14 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 18 29 47 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 11 27 24 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 419 3097 6568 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 54 86 197 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 10 12 12 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 3 8 7 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 27 59 115 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 16 22 19 | Families Genera Species | Taxom
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