Arthropods from region Outaouais (Quebec, Canada) Arachnida Lamarck, 1801 Arachnids | 28 53 58 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 3 5 5 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 1 1 0 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 7 8 8 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 4 5 4 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 259 1212 1864 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 34 37 48 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 5 7 6 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 2 2 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 7 13 16 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 3 3 0 | Families Genera Species | Taxom
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