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Checklist for Subfamily Mesonacinae
and region Continents


Class
 		Trilobita ♰
Walch, 1771
Trilobites		219
4420
10889		Families
Genera
Species		 
Taxom
 

Order
 		Redlichiida ♰
Richter, 1932
27
237
528		Families
Genera
Species		 
Taxom
 

Suborder
 		Olenellina ♰
Walcott, 1890
7
71
192		Families
Genera
Species		 
Taxom
 

Superfamily
 		Olenelloidea ♰
Walcott, 1890
2
39
137		Families
Genera
Species		 
Taxom
 
FamilyOlenellidae ♰
Walcott, 1890
16
78		Genera
Species		 
Taxom
 
SubfamilyMesonacinae ♰
1
2		Genus
Species		 
Taxom
 


Genera for Continents
1 Genera with 2 Species
Mesonacis Walcott, 02SpeciesTaxom


Species list for Continents
2 Species
Mesonacis vermontanus ♰ Hall, 1859
Mesonacis wileyi ♰