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


Class
 		Arachnida
Lamarck, 1801
Arachnids		160
411
635		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
147
387
602		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
38
191
324		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		38
191
324		Families
Genera
Species		 
Taxom
 

Suborder
 		Mygalomorphae
Pocock, 1892
Mygalomorphs, Primitive spiders		2
3
3		Families
Genera
Species		 
Taxom
 

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


List of families for Michigan
2 Families width 3 Species
Idiopidae Simon, 1892Armored trapdoor spiders1SpeciesTaxom
Atypidae Thorell, 1870Atypical tarantulas2SpeciesTaxom


Genera for Michigan
3 Genera with 3 Species
Aganippe O. P.-Cambridge, 18771SpeciesTaxom
Idiops Perty, 1833
0SpeciesTaxom
Sphodros Walckenaer, 18292SpeciesTaxom


Species list for Michigan
3 Species
Aganippe subtristis Octavius Pic..., 1877Four-spotted trapdoor spider
Sphodros niger Hentz, 1842Black purse-web spider
Sphodros rufipes Latreille, 1829Red legged purseweb spider

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

SuperfamilyIdiopoidea
Simon, 1892
1
2
1		Family
Genera
Species
Taxom