Checklist for Infraorder Systellognatha Zwick, 2000 and region Townsend (New Castle County, Delaware, USA)
Class | Insecta Linnaeus, 1758 Insects, True insects | 29 40 48 | Families Genera Species | Taxom | Subclass | Pterygota Lang, 1888 Winged insects | 29 40 48 | Families Genera Species | Taxom | Infraclass | Neoptera van der Wulp, 1890 Modern Wing-folding insects | 22 29 33 | Families Genera Species | Taxom | Superorder | Polyneoptera Martynov, 1923
| 6 6 4 | Families Genera Species | Taxom | Order | Plecoptera Burmeister, 1839 Stoneflies, Stoneflies Plecoptera, Stonefly | 5 5 3 | Families Genera Species | Taxom | Suborder | Arctoperlaria Zwick, 1973
| 5 5 3 | Families Genera Species | Taxom | Infraorder | Systellognatha Zwick, 2000
| 4 4 2 | Families Genera Species | Taxom |
List of families for Townsend (New Castle County) 4 Families width 2 Species
Genera for Townsend (New Castle County) 4 Genera with 2 Species
Species list for Townsend (New Castle County) 2 Species
Subnodes of Systellognatha with occurrences in Townsend (New Castle County)
Links, sources and further information Systellognatha at itis.gov
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