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Checklist for Family Sphaeragnostidae Kobayashi, 1939
and region USA (North America)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		163
1368
3036		Families
Genera
Species		 
Taxom
 

Order
 		Agnostida ♰
Salter, 1864
20
95
194		Families
Genera
Species		 
Taxom
 

Suborder
 		Agnostina ♰
Salter, 1864
14
66
156		Families
Genera
Species		 
Taxom
 
FamilySphaeragnostidae ♰
Kobayashi, 1939
1
2		Genus
Species		 
Taxom
 


Genera for USA
1 Genera with 2 Species
Grandagnostus Howell, 19352SpeciesTaxom


Species list for USA
2 Species
Grandagnostus planicephalus ♰ Buchholz, 1997
Grandagnostus vermontensis ♰ Howell, 1935


Links, sources and further information
Sphaeragnostidae at gbif.org
Sphaeragnostidae at irmng.org