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


Class
 		Arachnida
Lamarck, 1801
Arachnids		102
341
648		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
88
318
617		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
36
236
522		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		36
236
522		Families
Genera
Species		 
Taxom
 

Suborder
 		Mygalomorphae
Pocock, 1892
Mygalomorphs, Primitive spiders		1
1
2		Family
Genus
Species		 
Taxom
 

Infraorder
 		Fornicephalae
Raven, 1985
1
1
2		Family
Genus
Species		 
Taxom
 


List of families for Massachusetts
1 Family width 2 Species
Atypidae Thorell, 1870Atypical tarantulas2SpeciesTaxom


Genera for Massachusetts
1 Genera with 2 Species
Sphodros Walckenaer, 18292SpeciesTaxom


Species list for Massachusetts
2 Species
Sphodros niger Hentz, 1842Black purse-web spider
Sphodros rufipes Latreille, 1829Red legged purseweb spider

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