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


Class
 		Trilobita ♰
Walch, 1771
Trilobites		67
245
283		Families
Genera
Species		 
Taxom
 

Order
 		Asaphida ♰
Salter, 1864
15
69
80		Families
Genera
Species		 
Taxom
 

Suborder
 		Asaphina ♰
Fortey & Chatterton, 1988
14
64
76		Families
Genera
Species		 
Taxom
 

Superfamily
 		Dikelokephaloidea ♰
Miller, 1889
4
14
21		Families
Genera
Species		 
Taxom
 
FamilyPtychaspididae ♰
Raymond, 1924
4
9		Genera
Species		 
Taxom
 


Genera for Oklahoma
4 Genera with 9 Species
Conaspis Hall, 01SpeciesTaxom
Euptychaspis ULRICH, 19314SpeciesTaxom
Keithiella Rasetti, 02SpeciesTaxom
Ptychaspis Hall, 18522SpeciesTaxom


Species list for Oklahoma
9 Species
Conaspis testudinatus ♰
Euptychaspis frontalis ♰
Euptychaspis jugalis ♰
Euptychaspis kirki ♰
Euptychaspis typicalis ♰ ULRICH, 1931
Keithiella patula ♰
Keithiella scrupulosa ♰
Ptychaspis bullasa ♰
Ptychaspis granulosa ♰ Owen, 1852


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