Arthropods from region Delaware County (Indiana, USA) Arachnida Lamarck, 1801 Arachnids | 35 103 126 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 3 3 3 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 9 13 13 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 10 23 14 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 258 1260 1848 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 23 31 43 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 4 4 | 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 | 11 15 5 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 14 18 11 | Families Genera Species | Taxom
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