Arthropods from region Marathon County (Wisconsin, USA) Arachnida Lamarck, 1801 Arachnids | 32 105 139 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 2 3 2 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 2 2 2 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 4 9 9 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 6 10 4 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 243 1225 1860 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 14 20 25 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 2 2 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 3 3 2 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 14 15 1 | Families Genera Species | Taxom
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