Arthropods from region Spring Brook (Erie County, New York, USA) Insecta Linnaeus, 1758 Insects, True insects | 14 15 16 | Families Genera Species | Taxom
| Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 3 4 5 | Families Genera Species | Taxom
| Merostomata Woodward, 1866 Horseshoe crabs, Merostomates | 2 3 3 | Families Genera Species | Taxom
| Ostracoda Latreille, 1802 Mussel shrimps, Ostracods, Seed Shrimps | 3 5 1 | Families Genera Species | Taxom
| Trilobita ♰ Walch, 1771 Trilobites | 2 2 1 | Families Genera Species | Taxom
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