Arthropods from region St. Lucie County (Florida, USA) Arachnida Lamarck, 1801 Arachnids | 10 14 14 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 1 1 1 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 44 130 143 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 59 93 119 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 15 16 19 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 4 6 6 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 7 10 16 | Families Genera Species | Taxom
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