Arthropods from region Teton County (Montana, USA) Arachnida Lamarck, 1801 Arachnids | 5 5 4 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 1 1 1 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 1 1 0 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 74 215 281 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 7 9 13 | Families Genera Species | Taxom
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