Arthropods from region Santa Cruz Island (Galápagos Islands, Ecuador) Arachnida Lamarck, 1801 Arachnids | 26 32 29 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 1 1 1 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 4 7 9 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 2 2 2 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 1 1 0 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 131 468 517 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 79 113 138 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 28 33 31 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 6 6 5 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 3 4 5 | Families Genera Species | Taxom
| Symphyla Ryder, 1880 Dwarf Centipedes, Pseudocentipedes, Symphylans, Symphylids | 2 2 2 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 1 1 1 | Families Genera Species | Taxom
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