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


Class
 
Trilobita
Walch, 1771
Trilobites
77
292
424
Families
Genera
Species
 
Taxom
 

Order
 
Agnostida
Salter, 1864
11
33
58
Families
Genera
Species
 
Taxom
 

Suborder
 
Agnostina
Salter, 1864
11
33
58
Families
Genera
Species
 
Taxom
 

Superfamily
 
Agnostoidea
M´Coy, 1849
10
32
56
Families
Genera
Species
 
Taxom
 
FamilyPtychagnostidae
Kobayashi, 1939
7
22
Genera
Species
 
Taxom
 


Genera for Utah
7 Genera with 22 Species
Lejopyge Hawle & Corda, 19642SpeciesTaxom
Onymagnostus Öpik, 19392SpeciesTaxom
Pentagnostus LERMONTOVA, 1940
0SpeciesTaxom
Ptychagnostus Jaekel, 193915SpeciesTaxom
Tomagnostella Kobayashi, 18511SpeciesTaxom
Triplagnostus Howell, 18691SpeciesTaxom
Yakutiana Özdikmen, 18801SpeciesTaxom


Species list for Utah
22 Species
Lejopyge acantha ROBISON, 1964
Lejopyge calva ROBISON, 1964
Onymagnostus hybridus BRÖGGER, 1878
Onymagnostus seminula Whitehouse, 1939
Ptychagnostus aculeatus Angelin, 1851
Ptychagnostus affinis BRÖGGER, 1878
Ptychagnostus akanthodes ROBISON, 1964
Ptychagnostus atavus Tullberg, 1880
Ptychagnostus cassis Öpik, 1961
Ptychagnostus cuyanus Rusconi, 1948
Ptychagnostus germanus Öpik, 1979
Ptychagnostus gibbus LINNARSSON, 1869
Ptychagnostus hintzei ROBISON, 1984
Ptychagnostus intermedius Tullberg, 1880
Ptychagnostus michaeli ROBISON, 1984
Ptychagnostus occultatus Öpik, 1979
Ptychagnostus punctuosus Angelin, 1851
Ptychagnostus richmondensis Walcott, 1884
Ptychagnostus seminula Whitehouse, 1939
Tomagnostella exsculpta Angelin, 1851
Triplagnostus gibbus LINNARSSON, 1869
Yakutiana lundgreni Tullberg, 1880


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