Arthropods from region Alabama (USA) Arachnida Lamarck, 1801 Arachnids | 100 252 400 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 5 6 8 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 10 19 27 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 24 50 71 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 14 37 25 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 475 3981 8233 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 124 239 447 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 25 43 53 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 2 7 1 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 36 108 259 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 1 1 1 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 38 56 47 | Families Genera Species | Taxom
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