Arthropods from region Rhode Island (USA) Arachnida Lamarck, 1801 Arachnids | 44 105 129 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 6 8 6 | 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 5 4 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 7 10 11 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 292 1803 3104 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 83 127 174 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 30 37 48 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 1 1 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 7 10 2 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 3 4 5 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 1 1 0 | Families Genera Species | Taxom
|
|