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Checklist for Family Isocolidae Angelin, 1854
and region Virginia (USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		76
187
182		Families
Genera
Species		 
Taxom
 

Order
 		Ptychopariida ♰
Swinnerton, 1915
18
48
33		Families
Genera
Species		 
Taxom
 

Suborder
 		Ptychopariina ♰
Richter, 1932
16
40
28		Families
Genera
Species		 
Taxom
 

Superfamily
 		Ptychoparioidea ♰
Matthew, 1887
16
40
28		Families
Genera
Species		 
Taxom
 
FamilyIsocolidae ♰
Angelin, 1854
2
2		Genera
Species		 
Taxom
 


Genera for Virginia
2 Genera with 2 Species
Effnaspis Dean, 19531SpeciesTaxom
Holdenia Cooper, 19541SpeciesTaxom


Species list for Virginia
2 Species
Effnaspis virginica ♰ B.N.Cooper, 1953
Holdenia typa ♰ B.N.Cooper, 1954


Links, sources and further information
Isocolidae at gbif.org