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Checklist for Family Ptychagnostidae Kobayashi, 1939
and region Yukon (North Canada, Canada)


Class
 
Trilobita ♰
Walch, 1771
Trilobites
96
220
179
Families
Genera
Species
 
Taxom
 

Order
 
Agnostida ♰
Salter, 1864
13
31
36
Families
Genera
Species
 
Taxom
 

Suborder
 
Agnostina ♰
Salter, 1864
11
29
35
Families
Genera
Species
 
Taxom
 

Superfamily
 
Agnostoidea ♰
M´Coy, 1849
10
28
35
Families
Genera
Species
 
Taxom
 
FamilyPtychagnostidae ♰
Kobayashi, 1939
2
2
Genera
Species
 
Taxom
 


Genera for Yukon
2 Genera with 2 Species
Tomagnostella Kobayashi, 18511SpeciesTaxom
Triplagnostus Howell, 18691SpeciesTaxom


Species list for Yukon
2 Species
Tomagnostella exsculpta ♰ Angelin, 1851
Triplagnostus gibbus ♰ LINNARSSON, 1869


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