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Checklist for Family Trinucleidae Hawle & Corda, 1847
and region Virginia (USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		76
187
182		Families
Genera
Species		 
Taxom
 

Order
 		Asaphida ♰
Salter, 1864
13
32
41		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
12
30
40		Families
Genera
Species		 
Taxom
 

Superfamily
 		Trinucleioidea ♰
Delo, 1935
3
11
13		Families
Genera
Species		 
Taxom
 
FamilyTrinucleidae ♰
Hawle & Corda, 1847
4
4		Genera
Species		 
Taxom
 


Genera for Virginia
4 Genera with 4 Species
Cryptolithus Green, 18322SpeciesTaxom
Paratrinucleus Whittington, 1941
0SpeciesTaxom
Tretaspis Mccoy, 19591SpeciesTaxom
Trinucleus MURCHISON, 01SpeciesTaxom


Species list for Virginia
4 Species
Cryptolithus bellulus ♰ Ulrich, 1878
Cryptolithus tesselatus ♰ Green, 1832
Tretaspis sagenosus ♰ Whittington, 1959
Trinucleus acervulosus ♰


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