Arthropods from region Ecuador (Northern South America) Arachnida Lamarck, 1801 Arachnids | 262 1065 2583 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 10 20 21 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 11 28 49 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 28 59 79 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 13 35 61 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 569 8211 23107 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 218 545 999 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 92 194 366 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 19 38 60 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 8 13 31 | Families Genera Species | Taxom
| Symphyla Ryder, 1880 Dwarf Centipedes, Pseudocentipedes, Symphylans, Symphylids | 2 3 3 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 4 4 3 | Families Genera Species | Taxom
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