Arthropods from region Estonia (Baltic States) Arachnida Lamarck, 1801 Arachnids | 165 508 1217 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 8 12 13 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 5 8 25 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 12 29 41 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 14 49 116 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 526 4959 14408 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 37 54 72 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 21 31 44 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 5 13 17 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 51 213 220 | Families Genera Species | Taxom
| Pauropoda Lubbock, 1868 Pauropodans, Pauropods, Progoneates | 1 2 2 | Families Genera Species | Taxom
| Symphyla Ryder, 1880 Dwarf Centipedes, Pseudocentipedes, Symphylans, Symphylids | 2 3 3 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 38 136 200 | Families Genera Species | Taxom
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