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Checklist for Family Isocolidae Angelin, 1854
and region North America (America)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		170
1617
4067		Families
Genera
Species		 
Taxom
 

Order
 		Ptychopariida ♰
Swinnerton, 1915
40
390
1091		Families
Genera
Species		 
Taxom
 

Suborder
 		Ptychopariina ♰
Richter, 1932
36
333
956		Families
Genera
Species		 
Taxom
 

Superfamily
 		Ptychoparioidea ♰
Matthew, 1887
28
301
922		Families
Genera
Species		 
Taxom
 
FamilyIsocolidae ♰
Angelin, 1854
4
4		Genera
Species		 
Taxom
 


Genera for North America
4 Genera with 4 Species
Effnaspis Dean, 19531SpeciesTaxom
Holdenia Cooper, 19541SpeciesTaxom
Isocolus Angelin, 19631SpeciesTaxom
Triarthroides Raymond, 19371SpeciesTaxom


Species list for North America
4 Species
Effnaspis virginica ♰ B.N.Cooper, 1953
Holdenia typa ♰ B.N.Cooper, 1954
Isocolus dysdercus ♰ Whittington ..., 1963
Triarthroides cyclas ♰ Raymond, 1937


Links, sources and further information
Isocolidae at gbif.org