Species list, Checklist of Infraorder Systellognatha for Philadelphia County (Pennsylvania, USA)

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Checklist for Infraorder Systellognatha Zwick, 2000
and region Philadelphia County (Pennsylvania, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	163 633 801	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	163 633 801	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	155 604 757	Families Genera Species	Taxom
Superorder	Polyneoptera Martynov, 1923	8 11 12	Families Genera Species	Taxom
Order	Plecoptera Burmeister, 1839 Stoneflies, Stoneflies Plecoptera, Stonefly	5 5 6	Families Genera Species	Taxom
Suborder	Arctoperlaria Zwick, 1973	5 5 6	Families Genera Species	Taxom
Infraorder	Systellognatha Zwick, 2000	2 2 2	Families Genera Species	Taxom

List of families for Philadelphia County
2 Families width 2 Species

Perlidae Latreille, 1802	Common stoneflies	1	Species	Taxom
Pteronarcyidae Enderlein, 1909	Giant stoneflies	1	Species	Taxom

Genera for Philadelphia County
2 Genera with 2 Species

Acroneuria Pictet, 1841		1	Species	Taxom
Pteronarcys Newman, 1873	Giant Stoneflies	1	Species	Taxom

Species list for Philadelphia County
2 Species

Acroneuria arenosa Pictet, 1841	Eastern Stone
Pteronarcys pictetii Hagen, 1873	Cycads

Subnodes of Systellognatha with occurrences in Philadelphia County

Superfamily	Perloidea Latreille, 1802	1 1 1	Family Genus Species	Taxom
Superfamily	Pteronarcyoidea Newman, 1853	1 1 1	Family Genus Species	Taxom

Links, sources and further information

Systellognatha at itis.gov