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


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		11
11
10		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		11
11
10		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		3
3
3		Families
Genera
Species		 
Taxom
 


List of families for Buttermilk
3 Families width 3 Species
Baetidae Leach, 1815Mayflies1SpeciesTaxom
Calopterygidae Selys, 1850Broad-winged damselflies1SpeciesTaxom
Gomphidae Rambur, 1842Club-tailed dragonflies1SpeciesTaxom


Genera for Buttermilk
3 Genera with 3 Species
Callibaetis Eaton, 1862Speckled Duns1SpeciesTaxom
Hetaerina Hagen, 1798Rubyspots1SpeciesTaxom
Progomphus Selys, 1842Sanddragons1SpeciesTaxom


Species list for Buttermilk
3 Species
Callibaetis ferrugineus Walsh, 1862Red Speckled Dun
Hetaerina americana Fabricius, 1798American Rubyspot
Progomphus obscurus Rambur, 1842Common Sanddragon

Subnodes of Palaeoptera with occurrences in Buttermilk
SuperorderEphemeropteroidea
Rohdendorf, 1968
1
1
1		Family
Genus
Species
Taxom

SuperorderOdonatoptera
Martynov, 1932
2
2
2		Families
Genera
Species
Taxom



Links, sources and further information
Palaeoptera at itis.gov