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


Class
 
Trilobita
Walch, 1771
Trilobites
131
761
1351
Families
Genera
Species
 
Taxom
 

Order
 
Ptychopariida
Swinnerton, 1915
30
207
456
Families
Genera
Species
 
Taxom
 

Suborder
 
Ptychopariina
Richter, 1932
28
183
421
Families
Genera
Species
 
Taxom
 

Superfamily
 
Ptychoparioidea
Matthew, 1887
25
179
418
Families
Genera
Species
 
Taxom
 
FamilyTricrepicephalidae
Palmer, 1954
2
7
Genera
Species
 
Taxom
 


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


Species list for West USA
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