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Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Austin (Delta County, Colorado, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		104
333
363		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		104
333
363		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		7
8
9		Families
Genera
Species		 
Taxom
 


List of families for Austin (Delta County Colorado)
7 Families width 9 Species
Aeshnidae Rambur, 1842Darners1SpeciesTaxom
Caenidae Newman, 1853Small square-gill mayflies1SpeciesTaxom
Gomphidae Rambur, 1842Club-tailed dragonflies2SpeciesTaxom
Ephemeridae Leach, 1817Burrowing mayflies1SpeciesTaxom
Oligoneuriidae Ulmer, 1914Brushleg Mayflies1SpeciesTaxom
Lestidae Calvert, 1901Spread-winged damselflies2SpeciesTaxom
Libellulidae Rambur, 1842Chasers1SpeciesTaxom


Genera for Austin (Delta County Colorado)
8 Genera with 9 Species
Anax Leach, 1773Emperors And Green Darners1SpeciesTaxom
Caenis Stephens, 18611SpeciesTaxom
Davidius Selys, 19311SpeciesTaxom
Erpetogomphus Selys, 1858Ringtails1SpeciesTaxom
Hexagenia Walsh, 1829Giant Mayflies1SpeciesTaxom
Isonychia Eaton, 1931Slate Drakes1SpeciesTaxom
Lestes Leach, 1862Emerald Damselflies2SpeciesTaxom
Sympetrum Newman, 1861Darter Dragonfly1SpeciesTaxom


Species list for Austin (Delta County Colorado)
9 Species
Anax junius Drury, 1773Common Green Darner
Caenis (Caenis) amica Hagen, 1861Heterosporous ferns
Davidius trox Needham, 1931
Erpetogomphus designatus Hagen, 1858Eastern Ringtail
Hexagenia (Hexagenia) limbata Serville, 1829Burrowing mayfly
Isonychia (Isonychia) rufa McDunnough, 1931Shortstyle draba
Lestes congener Hagen, 1861Spotted Spreadwing
Lestes disjunctus Selys, 1862Common Spreadwing
Sympetrum obtrusum Hagen, 1861White-faced meadowhawk

Subnodes of Palaeoptera with occurrences in Austin (Delta County Colorado)
SuperorderEphemeropteroidea
Rohdendorf, 1968
3
3
3		Families
Genera
Species
Taxom

SuperorderOdonatoptera
Martynov, 1932
4
5
6		Families
Genera
Species
Taxom



Links, sources and further information
Palaeoptera at itis.gov