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


Class
 		Trilobita ♰
Walch, 1771
Trilobites		171
1817
4432		Families
Genera
Species		 
Taxom
 

Order
 		Agnostida ♰
Salter, 1864
20
126
304		Families
Genera
Species		 
Taxom
 

Suborder
 		Agnostina ♰
Salter, 1864
14
90
250		Families
Genera
Species		 
Taxom
 
FamilySphaeragnostidae ♰
Kobayashi, 1939
1
2		Genus
Species		 
Taxom
 


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


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


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