Arthropods from region Central Italy (Italy) Arachnida Lamarck, 1801 Arachnids | 125 250 299 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 5 5 6 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 8 14 51 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 12 23 26 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 10 23 29 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 341 2074 3410 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 46 62 93 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 9 11 17 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 0 1 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 21 38 33 | Families Genera Species | Taxom
| Symphyla Ryder, 1880 Dwarf Centipedes, Pseudocentipedes, Symphylans, Symphylids | 2 2 2 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 7 8 5 | Families Genera Species | Taxom
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