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Checklist for Infraorder Fornicephalae Raven, 1985
and region Colorado (West USA, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		149
463
1108		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
127
408
1008		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
55
303
902		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		53
301
900		Families
Genera
Species		 
Taxom
 

Suborder
 		Mygalomorphae
Pocock, 1892
Mygalomorphs, Primitive spiders		5
8
8		Families
Genera
Species		 
Taxom
 

Infraorder
 		Fornicephalae
Raven, 1985
3
3
2		Families
Genera
Species		 
Taxom
 


List of families for Colorado
3 Families width 2 Species
Antrodiaetidae Gertsch, 1940Folding trapdoor spider1SpeciesTaxom
Halonoproctidae Pocock, 19011SpeciesTaxom
Ctenizidae Thorell, 1887Cork-lid trapdoor spider0SpeciesTaxom


Genera for Colorado
3 Genera with 2 Species
Antrodiaetus Ausserer, 1971Red Folding Door Trapdoor Spider1SpeciesTaxom
Conothele Thorell, 19081SpeciesTaxom
Ummidia Thorell, 1875
Cork-lid Trapdoor Spider0SpeciesTaxom


Species list for Colorado
2 Species
Antrodiaetus apachecus Coyle, 1971Priapulids
Conothele trachypus Wladislaus K..., 1908Annual buckwheat

Subnodes of Fornicephalae with occurrences in Colorado
SuperfamilyAtypoidea
Thorell, 1870
1
1
1		Family
Genus
Species
Taxom

SuperfamilyCtenizoidea
Thorell, 1887
trap door spiders		2
2
1		Families
Genera
Species
Taxom