Arthropods from region Seven Springs (Fayette County, Pennsylvania, USA) Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 1 1 1 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 17 29 26 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 3 3 3 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 1 2 2 | Families Genera Species | Taxom
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