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


Class
 		Trilobita ♰
Walch, 1771
Trilobites		15
22
19		Families
Genera
Species		 
Taxom
 

Order
 		Asaphida ♰
Salter, 1864
4
11
11		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
4
11
11		Families
Genera
Species		 
Taxom
 

Superfamily
 		Dikelokephaloidea ♰
Miller, 1889
4
11
11		Families
Genera
Species		 
Taxom
 
FamilyPtychaspididae ♰
Raymond, 1924
2
3		Genera
Species		 
Taxom
 


Genera for Mason County (West Virginia)
2 Genera with 3 Species
Euptychaspis ULRICH, 19312SpeciesTaxom
Keithiella Rasetti, 01SpeciesTaxom


Species list for Mason County (West Virginia)
3 Species
Euptychaspis jugalis ♰
Euptychaspis typicalis ♰ ULRICH, 1931
Keithiella patula ♰


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