Arthropods from region Mesozoic (Phanerozoic) Arachnida Lamarck, 1801 Arachnids | 92 148 164 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 9 16 17 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 3 3 3 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 6 9 10 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 13 34 38 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 1017 3496 5650 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 141 240 386 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 14 28 22 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 3 4 8 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 59 206 532 | Families Genera Species | Taxom
| Pycnogonida Latreille, 1810 Pycnogonids, Sea Spider, Sea Spiders | 2 4 4 | Families Genera Species | Taxom
| Thylacocephala ♰ Pinna & al., 1982 Bivalve arthropods | 2 6 6 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 1 1 1 | Families Genera Species | Taxom
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