Arthropods from region Richmond (Bayham, Elgin County, Ontario, Canada) Arachnida Lamarck, 1801 Arachnids | 12 14 12 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 2 4 4 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 3 6 6 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 3 6 1 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 145 373 483 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 12 13 15 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 4 4 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 7 9 4 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 4 5 4 | Families Genera Species | Taxom
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