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


Class
 		Arachnida
Lamarck, 1801
Arachnids		126
337
484		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
105
308
445		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
33
180
328		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		32
179
327		Families
Genera
Species		 
Taxom
 

Suborder
 		Mygalomorphae
Pocock, 1892
Mygalomorphs, Primitive spiders		3
4
6		Families
Genera
Species		 
Taxom
 

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


List of families for Pennsylvania
2 Families width 5 Species
Antrodiaetidae Gertsch, 1940Folding trapdoor spider2SpeciesTaxom
Atypidae Thorell, 1870Atypical tarantulas3SpeciesTaxom


Genera for Pennsylvania
3 Genera with 5 Species
Antrodiaetus Ausserer, 1842Red Folding Door Trapdoor Spider2SpeciesTaxom
Atypus Latreille, 1973Purse web spiders1SpeciesTaxom
Sphodros Walckenaer, 18292SpeciesTaxom


Species list for Pennsylvania
5 Species
Antrodiaetus robustus Simon, 1891
Antrodiaetus unicolor Hentz, 1842
Atypus snetsingeri Sarno, 1973
Sphodros niger Hentz, 1842Black purse-web spider
Sphodros rufipes Latreille, 1829Red legged purseweb spider

Subnodes of Fornicephalae with occurrences in Pennsylvania
SuperfamilyAtypoidea
Thorell, 1870
2
3
5		Families
Genera
Species
Taxom