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Checklist for Family Tricrepicephalidae Palmer, 1954
and region Southwest USA (West USA, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites

Families
Genera
Species		 
Taxom
 

Order
 		Ptychopariida ♰
Swinnerton, 1915


Families
Genera
Species		 
Taxom
 

Suborder
 		Ptychopariina ♰
Richter, 1932


Families
Genera
Species		 
Taxom
 

Superfamily
 		Ptychoparioidea ♰
Matthew, 1887


Families
Genera
Species		 
Taxom
 
FamilyTricrepicephalidae ♰
Palmer, 1954

Genera
Species		 
Taxom
 


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