Arthropods from region Cedar (Scott County, Arkansas, USA) Arachnida Lamarck, 1801 Arachnids | 20 33 35 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 1 1 1 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 3 4 1 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 126 317 327 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 4 5 4 | Families Genera Species | Taxom
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