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Checklist for Family Norwoodiidae Walcott, 1916
and region Washington (West USA, USA)


Class
 
Trilobita
Walch, 1771
Trilobites
30
48
36
Families
Genera
Species
 
Taxom
 

Order
 
Ptychopariida
Swinnerton, 1915
9
16
12
Families
Genera
Species
 
Taxom
 

Suborder
 
Ptychopariina
Richter, 1932
8
15
12
Families
Genera
Species
 
Taxom
 

Superfamily
 
Ptychoparioidea
Matthew, 1887
8
15
12
Families
Genera
Species
 
Taxom
 
FamilyNorwoodiidae
Walcott, 1916
2
2
Genera
Species
 
Taxom
 


Genera for Washington
2 Genera with 2 Species
Norwoodella Resser, 19161SpeciesTaxom
Xenocheilos Wilson, 19511SpeciesTaxom


Species list for Washington
2 Species
Norwoodella saffordi Walcott, 1916
Xenocheilos spineum Wilson, 1951


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