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Checklist for Family Ptychagnostidae Kobayashi, 1939
and region Millard County (Utah, USA)


Class
 
Trilobita
Walch, 1771
Trilobites
37
100
154
Families
Genera
Species
 
Taxom
 

Order
 
Agnostida
Salter, 1864
6
9
13
Families
Genera
Species
 
Taxom
 

Suborder
 
Agnostina
Salter, 1864
6
9
13
Families
Genera
Species
 
Taxom
 

Superfamily
 
Agnostoidea
M´Coy, 1849
6
9
13
Families
Genera
Species
 
Taxom
 
FamilyPtychagnostidae
Kobayashi, 1939
2
6
Genera
Species
 
Taxom
 


Genera for Millard County
2 Genera with 6 Species
Onymagnostus Öpik, 19391SpeciesTaxom
Ptychagnostus Jaekel, 18845SpeciesTaxom


Species list for Millard County
6 Species
Onymagnostus seminula Whitehouse, 1939
Ptychagnostus akanthodes ROBISON, 1964
Ptychagnostus atavus Tullberg, 1880
Ptychagnostus germanus Öpik, 1979
Ptychagnostus michaeli ROBISON, 1984
Ptychagnostus richmondensis Walcott, 1884


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