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Checklist for Superfamily Cyclopygoidea Raymond, 1925
and region West USA (USA)


Class
 
Trilobita
Walch, 1771
Trilobites
131
761
1351
Families
Genera
Species
 
Taxom
 

Order
 
Asaphida
Salter, 1864
23
143
223
Families
Genera
Species
 
Taxom
 

Suborder
 
Asaphina
Fortey & Chatterton, 1988
22
135
216
Families
Genera
Species
 
Taxom
 

Superfamily
 
Cyclopygoidea
Raymond, 1925
2
6
7
Families
Genera
Species
 
Taxom
 


List of families for West USA
2 Families width 7 Species
Taihungshaniidae Sun, 19310SpeciesTaxom
Nileidae Angelin, 18547SpeciesTaxom


Genera for West USA
6 Genera with 7 Species
Asaphelina MUNIER-CHALM..., 1891
0SpeciesTaxom
Barrandia Mccoy, 1849
0SpeciesTaxom
Nileus Dalman, 18653SpeciesTaxom
Peraspis Whittington, 19671SpeciesTaxom
Poronileus FORTEY, 19753SpeciesTaxom
Varvia TJERNVIK, 1956
0SpeciesTaxom


Species list for West USA
7 Species
Nileus armadillo Dalman, 1827
Nileus hesperaffinis Ross, 1967
Nileus scrutator BILLINGS, 1865
Peraspis erugata Ross, 1967
Poronileus fistulosus FORTEY, 1975
Poronileus isoteloides FORTEY, 1975
Poronileus vallancei FORTEY, 1975

Subnodes of Cyclopygoidea with occurrences in West USA
FamilyNileidae
Angelin, 1854
5
7
Genera
Species

Taxom

FamilyTaihungshaniidae
Sun, 1931
1
0
Genus
Species

Taxom