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⌕
Checklist for Subfamily
Mesonacinae
and region
America
(Continents)
Class
Trilobita
♰
Walch, 1771
Trilobites
171
1817
4432
Families
Genera
Species
Taxom
Order
Redlichiida
♰
Richter, 1932
18
76
171
Families
Genera
Species
Taxom
Suborder
Olenellina
♰
Walcott, 1890
7
53
145
Families
Genera
Species
Taxom
Superfamily
Olenelloidea
♰
Walcott, 1890
2
32
119
Families
Genera
Species
Taxom
Family
Olenellidae
♰
Walcott, 1890
12
74
Genera
Species
Taxom
Subfamily
Mesonacinae
♰
1
2
Genus
Species
Taxom
Genera for America
1 Genera with
2 Species
Mesonacis
Walcott, 0
2
Species
Taxom
Species list for America
2 Species
Mesonacis vermontanus
♰
Hall, 1859
Mesonacis wileyi
♰
