Arthropods from region Scotland (Greene County, Indiana, USA) Arachnida Lamarck, 1801 Arachnids | 21 43 43 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 4 5 6 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 4 4 5 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 6 9 10 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 9 18 24 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 159 403 405 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 21 22 23 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 4 4 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 2 2 0 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 14 14 3 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 14 16 3 | Families Genera Species | Taxom
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