Arthropods from region Special Area No. 2 (Southern Alberta, Alberta, Canada) Arachnida Lamarck, 1801 Arachnids | 17 29 36 | 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 | 1 1 1 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 1 3 2 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 121 538 770 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 8 8 8 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 4 7 10 | Families Genera Species | Taxom
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