Arthropods from region Dover (Fayette County, Iowa, USA) Arachnida Lamarck, 1801 Arachnids | 4 4 4 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 5 7 2 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 63 184 213 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 10 10 10 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 3 3 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 1 1 0 | Families Genera Species | Taxom
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