Arthropods from region Rotterdam (Schenectady County, New York, USA) Arachnida Lamarck, 1801 Arachnids | 27 42 42 | Families Genera Species | Taxom
| Branchiopoda Latreille, 1817 Branchiopods, Brine shrimps, Daphnia, Fairy shrimps and Water fleas, Phyllopods | 4 7 8 | Families Genera Species | Taxom
| Chilopoda Latreille, 1817 Centiped, Centipede, Centipedes, Centipeds, Chilopods | 2 2 3 | Families Genera Species | Taxom
| Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes | 5 7 7 | Families Genera Species | Taxom
| Entognatha Stummer-Traunfels, 1891 Entognathids | 4 7 7 | Families Genera Species | Taxom
| Insecta Linnaeus, 1758 Insects, True insects | 143 451 521 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 17 20 22 | Families Genera Species | Taxom
| Maxillopoda Dahl, 1956 Maxillopods | 4 4 8 | Families Genera Species | Taxom
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