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Checklist for Family Ptychaspididae Raymond, 1924
and region West USA (USA)


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

Order
 		Asaphida ♰
Salter, 1864
23
143
223		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
22
135
216		Families
Genera
Species		 
Taxom
 

Superfamily
 		Dikelokephaloidea ♰
Miller, 1889
6
19
23		Families
Genera
Species		 
Taxom
 
FamilyPtychaspididae ♰
Raymond, 1924
6
8		Genera
Species		 
Taxom
 


Genera for West USA
6 Genera with 8 Species
Conaspis Hall, 01SpeciesTaxom
Euptychaspis ULRICH, 19312SpeciesTaxom
Macronoda LOCHMAN, 19641SpeciesTaxom
Promesus LOCHMAN, 19641SpeciesTaxom
Ptychaspis Hall, 03SpeciesTaxom
Saukioides Kobayashi, 1952
0SpeciesTaxom


Species list for West USA
8 Species
Conaspis perseus ♰
Euptychaspis kirki ♰
Euptychaspis typicalis ♰ ULRICH, 1931
Macronoda prima ♰ LOCHMAN, 1964
Promesus extremus ♰ LOCHMAN, 1964
Ptychaspis arctatus ♰ Bryant, 1935
Ptychaspis bullasa ♰
Ptychaspis minuta ♰


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