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


Class
 
Trilobita
Walch, 1771
Trilobites
48
97
150
Families
Genera
Species
 
Taxom
 

Order
 
Agnostida
Salter, 1864
10
18
25
Families
Genera
Species
 
Taxom
 

Suborder
 
Agnostina
Salter, 1864
9
17
24
Families
Genera
Species
 
Taxom
 

Superfamily
 
Agnostoidea
M´Coy, 1849
9
17
24
Families
Genera
Species
 
Taxom
 
FamilyPtychagnostidae
Kobayashi, 1939
2
5
Genera
Species
 
Taxom
 


Genera for Labrador
2 Genera with 5 Species
Ptychagnostus Jaekel, 19394SpeciesTaxom
Triplagnostus Howell, 18691SpeciesTaxom


Species list for Labrador
5 Species
Ptychagnostus (Ptychagnostus) fissus Lundgren, 1879
Ptychagnostus aculeatus Angelin, 1851
Ptychagnostus atavus Tullberg, 1880
Ptychagnostus seminula Whitehouse, 1939
Triplagnostus gibbus LINNARSSON, 1869


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