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Checklist for Family Tricrepicephalidae Palmer, 1954
and region Montana (West USA, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		56
170
223		Families
Genera
Species		 
Taxom
 

Order
 		Ptychopariida ♰
Swinnerton, 1915
20
76
130		Families
Genera
Species		 
Taxom
 

Suborder
 		Ptychopariina ♰
Richter, 1932
18
72
121		Families
Genera
Species		 
Taxom
 

Superfamily
 		Ptychoparioidea ♰
Matthew, 1887
17
71
120		Families
Genera
Species		 
Taxom
 
FamilyTricrepicephalidae ♰
Palmer, 1954
2
7		Genera
Species		 
Taxom
 


Genera for Montana
2 Genera with 7 Species
Lonchocephalus Owen, 19441SpeciesTaxom
Meteoraspis Resser, 06SpeciesTaxom


Species list for Montana
7 Species
Lonchocephalus montanensis ♰ Lochman & Du..., 1944
Meteoraspis borealis ♰ Lochman, 1938
Meteoraspis elongata ♰
Meteoraspis keeganensis ♰
Meteoraspis loisi ♰
Meteoraspis robusta ♰
Meteoraspis spinosa ♰


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