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Checklist for Family Diceratocephalidae Lu, 1954
and region Alaska (West USA, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		74
138
123		Families
Genera
Species		 
Taxom
 

Order
 		Ptychopariida ♰
Swinnerton, 1915
16
32
31		Families
Genera
Species		 
Taxom
 

Suborder
 		Ptychopariina ♰
Richter, 1932
15
31
31		Families
Genera
Species		 
Taxom
 

Superfamily
 		Ptychoparioidea ♰
Matthew, 1887
13
29
30		Families
Genera
Species		 
Taxom
 
FamilyDiceratocephalidae ♰
Lu, 1954
1
3		Genus
Species		 
Taxom
 


Genera for Alaska
1 Genera with 3 Species
Tholifrons Palmer, 19683SpeciesTaxom


Species list for Alaska
3 Species
Tholifrons adevna ♰ Palmer, 1968
Tholifrons advena ♰ Palmer, 1968
Tholifrons minutus ♰ Palmer, 1968


Links, sources and further information
Diceratocephalidae at irmng.org