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Checklist for Superfamily Dikelokephaloidea Miller, 1889
and region Changshan Formation (Shandong, China)


Class
 
Trilobita
Walch, 1771
Trilobites
26
65
65
Families
Genera
Species
 
Taxom
 

Order
 
Asaphida
Salter, 1864
10
16
16
Families
Genera
Species
 
Taxom
 

Suborder
 
Asaphina
Fortey & Chatterton, 1988
10
16
16
Families
Genera
Species
 
Taxom
 

Superfamily
 
Dikelokephaloidea
Miller, 1889
2
2
2
Families
Genera
Species
 
Taxom
 


List of families for Changshan Formation
2 Families width 2 Species
Dikelocephalidae Miller, 18891SpeciesTaxom
Ptychaspididae Raymond, 19241SpeciesTaxom


Genera for Changshan Formation
2 Genera with 2 Species
Patalolaspis QIAN, 19831SpeciesTaxom
Quadraticephalus Sun, 19241SpeciesTaxom


Species list for Changshan Formation
2 Species
Patalolaspis striatus QIAN, 1983
Quadraticephalus walcotti Sun, 1924

Subnodes of Dikelokephaloidea with occurrences in Changshan Formation
FamilyDikelocephalidae
Miller, 1889
1
1
Genus
Species

Taxom

FamilyPtychaspididae
Raymond, 1924
1
1
Genus
Species

Taxom