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Checklist for Order Trigonotarbida Petrunkevitch, 1949 (Trigonotarbids)
and region Northwestern Illinois (Northern Illinois, Illinois, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		92
274
562		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
77
246
523		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
37
197
484		Families
Genera
Species		 
Taxom
 

Order
 		Trigonotarbida ♰
Petrunkevitch, 1949
Trigonotarbids		1
1
1		Family
Genus
Species		 
Taxom
 


List of families for Northwestern Illinois
1 Family width 1 Species
Eophrynidae (Karsch, 1882)1SpeciesTaxom


Genera for Northwestern Illinois
1 Genera with 1 Species
Pleophrynus Petrunkevitch, 19451SpeciesTaxom


Species list for Northwestern Illinois
1 Species
Pleophrynus ensifer ♰ (A. I. Petrun..., 1945)⇒ Pleophrynus verrucosa Pocock, 1911

Subnodes of Trigonotarbida with occurrences in Northwestern Illinois
FamilyEophrynidae ♰
Karsch, 1882
1
1		Genus
Species
Taxom



Links, sources and further information
Trigonotarbida at irmng.org