Arthropods from region Uruguay (Southern South America) Arachnida Lamarck, 1801 Arachnids | 94 261 449 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 3 3 1 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 4 5 5 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 4 6 7 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 2 3 10 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 282 1674 2697 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 104 241 303 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 37 75 155 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 20 36 37 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 9 10 20 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 2 4 2 | Families Genera Species | Taxom
|
|