Arthropods from region Perth East (Perth County, Ontario, Canada) Arachnida Lamarck, 1801 Arachnids | 20 33 32 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 1 1 1 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 4 11 12 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 4 6 2 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 182 583 742 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 17 22 24 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 2 2 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 2 2 1 | Families Genera Species | Taxom
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