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Checklist for Family Trinucleidae Hawle & Corda, 1847
and region East Canada (Canada)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		117
548
708		Families
Genera
Species		 
Taxom
 

Order
 		Asaphida ♰
Salter, 1864
22
103
113		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
21
91
94		Families
Genera
Species		 
Taxom
 

Superfamily
 		Trinucleioidea ♰
Delo, 1935
5
18
22		Families
Genera
Species		 
Taxom
 
FamilyTrinucleidae ♰
Hawle & Corda, 1847
5
9		Genera
Species		 
Taxom
 


Genera for East Canada
5 Genera with 9 Species
Cryptolithus Green, 18325SpeciesTaxom
Onnia BANCROFT, 1933
0SpeciesTaxom
Paratretaspis Dean, 19731SpeciesTaxom
Tretaspis Mccoy, 18183SpeciesTaxom
Trinucleus MURCHISON, 1839
0SpeciesTaxom


Species list for East Canada
9 Species
Cryptolithus bellulus ♰ Ulrich, 1878
Cryptolithus lorettensis ♰ FOERSTE, 1924
Cryptolithus recurvus ♰ Bassler, 1920
Cryptolithus tesselatus ♰ Green, 1832
Cryptolithus tessellatus ♰ Green, 1832
Paratretaspis terranovica ♰ Dean, 1973
Tretaspis ceriodes ♰ Angelin, 1854
Tretaspis clarkei ♰
Tretaspis granulata ♰ Wahlberg, 1818


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