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


Class
 		Trilobita ♰
Walch, 1771
Trilobites		70
191
200		Families
Genera
Species		 
Taxom
 

Order
 		Asaphida ♰
Salter, 1864
16
50
69		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
15
46
64		Families
Genera
Species		 
Taxom
 

Superfamily
 		Asaphoidea ♰
Burmeister, 1843
1
6
4		Family
Genera
Species		 
Taxom
 


List of families for Texas
1 Family width 4 Species
Asaphidae Burmeister, 18434SpeciesTaxom


Genera for Texas
6 Genera with 4 Species
Asaphellus CALLAWAY, 1877
0SpeciesTaxom
Bellefontia ULRICH, 1924
0SpeciesTaxom
Isoteloides Raymond, 19631SpeciesTaxom
Ptychocephalus accepted as ..., 19511SpeciesTaxom
Ptyocephalus Whittington, 1948
0SpeciesTaxom
Symphysurina ULRICH, 19292SpeciesTaxom


Species list for Texas
4 Species
Isoteloides franklinensis ♰ Hu, 1963
Ptychocephalus declevita ♰ Ross, 1951
Symphysurina bubops ♰
Symphysurina walcotti ♰ Kindle, 1929

Subnodes of Asaphoidea with occurrences in Texas
FamilyAsaphidae ♰
Burmeister, 1843
6
4		Genera
Species
Taxom