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Checklist for Family Clavagnostidae Howell, 1937
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
 

Superfamily
 		Agnostoidea ♰
M´Coy, 1849
11
62
142		Families
Genera
Species		 
Taxom
 
FamilyClavagnostidae ♰
Howell, 1937
5
8		Genera
Species		 
Taxom
 


Genera for USA
5 Genera with 8 Species
Aspidagnostus Whitehouse, 19622SpeciesTaxom
Clavagnostus Howell, 19383SpeciesTaxom
Tomorhachis Resser, 19381SpeciesTaxom
Triadaspis Öpik, 1967
0SpeciesTaxom
Utagnostus ROBISON, 19642SpeciesTaxom


Species list for USA
8 Species
Aspidagnostus laevis ♰ Palmer, 1962
Aspidagnostus rugosus ♰ Palmer, 1962
Clavagnostus aequalis ♰
Clavagnostus repandus ♰ Westergård, 1930
Clavagnostus spinosus ♰ Resser, 1938
Tomorhachis spinosa ♰ Resser, 1938
Utagnostus songae ♰ Peng, 2000
Utagnostus trispinulus ♰ Robinson, 1964


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