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Checklist for Superfamily Asaphoidea Burmeister, 1843
and region California (West USA, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		63
161
99		Families
Genera
Species		 
Taxom
 

Order
 		Asaphida ♰
Salter, 1864
6
17
6		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
6
17
6		Families
Genera
Species		 
Taxom
 

Superfamily
 		Asaphoidea ♰
Burmeister, 1843
1
8
3		Family
Genera
Species		 
Taxom
 


List of families for California
1 Family width 3 Species
Asaphidae Burmeister, 18433SpeciesTaxom


Genera for California
8 Genera with 3 Species
Bellefontia ULRICH, 1924
0SpeciesTaxom
Homotelus Raymond, 1920
0SpeciesTaxom
Isotelus Dekay, 19332SpeciesTaxom
Presbynileus HINTZE, 1954
0SpeciesTaxom
Ptychocephalus accepted as ..., 19511SpeciesTaxom
Ptyocephalus Whittington, 1948
0SpeciesTaxom
Symphysurina ULRICH, 1924
0SpeciesTaxom
Xenostegium Walcott, 1924
0SpeciesTaxom


Species list for California
3 Species
Isotelus gigas ♰ Dekay, 1824
Isotelus spurius ♰ PHLEGER, 1933
Ptychocephalus declevita ♰ Ross, 1951

Subnodes of Asaphoidea with occurrences in California
FamilyAsaphidae ♰
Burmeister, 1843
8
3		Genera
Species
Taxom