Arthropods from region Baja California (Northwest Mexico, Mexico) Arachnida Lamarck, 1801 Arachnids | 73 180 254 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 7 8 10 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 3 4 10 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 7 9 9 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 5 9 10 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 303 1557 2543 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 181 528 917 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 63 114 206 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 20 47 55 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 6 13 15 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 2 2 0 | Families Genera Species | Taxom
|
|