Arthropods from region Triassic (Mesozoic) Arachnida Lamarck, 1801 Arachnids | 13 17 19 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 7 9 9 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 1 2 2 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 233 687 1170 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 25 34 40 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 2 6 2 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 3 4 4 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 39 119 255 | Families Genera Species | Taxom
| Thylacocephala ♰ Pinna & al., 1982 Bivalve arthropods | 2 4 3 | Families Genera Species | Taxom
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