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Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Pleasant Valley (St. Croix County, Wisconsin, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		20
32
32		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		20
32
32		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		4
4
4		Families
Genera
Species		 
Taxom
 


List of families for Pleasant Valley (St. Croix County)
4 Families width 4 Species
Potamanthidae Albarda, 1888Hacklegill mayflies1SpeciesTaxom
Caenidae Newman, 1853Small square-gill mayflies1SpeciesTaxom
Coenagrionidae (Kirby, 1890)Narrow-winged damselflies1SpeciesTaxom
Libellulidae (Rambur, 1842)Chasers1SpeciesTaxom


Genera for Pleasant Valley (St. Croix County)
4 Genera with 4 Species
Anthopotamus McCafferty a..., 18631SpeciesTaxom
Caenis Stephens, 18611SpeciesTaxom
Enallagma Charpentier, 1861American Bluets1SpeciesTaxom
Libellula Linnaeus, 1773Chaser Or Darter Dragonfly1SpeciesTaxom


Species list for Pleasant Valley (St. Croix County)
4 Species
Anthopotamus myops Walsh, 1863
Caenis (Caenis) amica Hagen, 1861Heterosporous ferns
Enallagma annexum (Hagen, 1861)⇒ Enallagma cyathigerum Charpentier, 1840
Libellula pulchella (Drury, 1773)⇒ Celithemis amanda Hagen, 1861

Subnodes of Palaeoptera with occurrences in Pleasant Valley (St. Croix County)
SuperorderEphemeropteroidea
Rohdendorf, 1968
2
2
2		Families
Genera
Species
Taxom

SuperorderOdonatoptera
Martynov, 1932
2
2
2		Families
Genera
Species
Taxom



Links, sources and further information
Palaeoptera at itis.gov