Arthropods from region Puerto Rico (Greater Antilles) Arachnida Lamarck, 1801 Arachnids | 101 280 432 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 5 6 8 | Families Genera Species | Taxom
| Cephalocarida Sanders, 1955 Cephalocarids, Horseshoe shrimps | 1 1 1 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 6 13 18 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 16 25 44 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 9 17 17 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 352 2671 5038 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 176 486 857 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 77 140 231 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 22 62 96 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 6 8 14 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 1 1 1 | Families Genera Species | Taxom
|
|