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Checklist for Superfamily Trinucleioidea Delo, 1935
and region Butler County (Pennsylvania, USA)


Class
 
Trilobita
Walch, 1771
Trilobites
27
35
15
Families
Genera
Species
 
Taxom
 

Order
 
Asaphida
Salter, 1864
3
5
5
Families
Genera
Species
 
Taxom
 

Suborder
 
Asaphina
Fortey & Chatterton, 1988
3
5
5
Families
Genera
Species
 
Taxom
 

Superfamily
 
Trinucleioidea
Delo, 1935
2
2
3
Families
Genera
Species
 
Taxom
 


List of families for Butler County (Pennsylvania)
2 Families width 3 Species
Trinucleidae Hawle & Corda, 18472SpeciesTaxom
Raphiophoridae Angelin, 18541SpeciesTaxom


Genera for Butler County (Pennsylvania)
2 Genera with 3 Species
Cryptolithus Green, 18322SpeciesTaxom
Lonchodomas Angelin, 01SpeciesTaxom


Species list for Butler County (Pennsylvania)
3 Species
Cryptolithus bellulus Ulrich, 1878
Cryptolithus tesselatus Green, 1832
Lonchodomas sublaevis

Subnodes of Trinucleioidea with occurrences in Butler County (Pennsylvania)
FamilyRaphiophoridae
Angelin, 1854
1
1
Genus
Species

Taxom

FamilyTrinucleidae
Hawle & Corda, 1847
1
2
Genus
Species

Taxom