Arthropods from region Santa Maria (Rio Grande do Sul, Brazil) Arachnida Lamarck, 1801 Arachnids | 3 3 3 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 2 3 2 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 14 22 27 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 1 1 0 | Families Genera Species | Taxom
|
|