Arthropods from region Gulf of Mexico (North America) Arachnida Lamarck, 1801 Arachnids | 3 3 2 | Families Genera Species | Taxom
| Cephalocarida Sanders, 1955 Cephalocarids, Horseshoe shrimps | 1 1 2 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 1 1 0 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 92 304 548 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 221 714 1353 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 19 30 45 | 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 | 24 49 15 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 4 5 9 | Families Genera Species | Taxom
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