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Checklist for Family Ptychagnostidae Kobayashi, 1939
and region Newfoundland and Labrador (East Canada, Canada)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		96
289
344		Families
Genera
Species		 
Taxom
 

Order
 		Agnostida ♰
Salter, 1864
13
41
63		Families
Genera
Species		 
Taxom
 

Suborder
 		Agnostina ♰
Salter, 1864
10
32
56		Families
Genera
Species		 
Taxom
 

Superfamily
 		Agnostoidea ♰
M´Coy, 1849
9
30
54		Families
Genera
Species		 
Taxom
 
FamilyPtychagnostidae ♰
Kobayashi, 1939
3
8		Genera
Species		 
Taxom
 


Genera for Newfoundland and Labrador
3 Genera with 8 Species
Ptychagnostus Jaekel, 19397SpeciesTaxom
Tomagnostus Howell, 1935
0SpeciesTaxom
Triplagnostus Howell, 18691SpeciesTaxom


Species list for Newfoundland and Labrador
8 Species
Ptychagnostus (Ptychagnostus) fissus ♰ Lundgren, 1879
Ptychagnostus aculeatus ♰ Angelin, 1851
Ptychagnostus atavus ♰ Tullberg, 1880
Ptychagnostus hybridus ♰
Ptychagnostus intermedius ♰ Tullberg, 1880
Ptychagnostus punctuosus ♰ Angelin, 1851
Ptychagnostus seminula ♰ Whitehouse, 1939
Triplagnostus gibbus ♰ LINNARSSON, 1869


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