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


Class
 
Trilobita
Walch, 1771
Trilobites
17
24
12
Families
Genera
Species
 
Taxom
 

Order
 
Asaphida
Salter, 1864
2
2
2
Families
Genera
Species
 
Taxom
 

Suborder
 
Asaphina
Fortey & Chatterton, 1988
2
2
2
Families
Genera
Species
 
Taxom
 

Superfamily
 
Trinucleioidea
Delo, 1935
1
1
2
Family
Genus
Species
 
Taxom
 


List of families for Lancaster County (Pennsylvania)
1 Family width 2 Species
Trinucleidae Hawle & Corda, 18472SpeciesTaxom


Genera for Lancaster County (Pennsylvania)
1 Genera with 2 Species
Cryptolithus Green, 19202SpeciesTaxom


Species list for Lancaster County (Pennsylvania)
2 Species
Cryptolithus bellulus Ulrich, 1878
Cryptolithus recurvus Bassler, 1920

Subnodes of Trinucleioidea with occurrences in Lancaster County (Pennsylvania)
FamilyTrinucleidae
Hawle & Corda, 1847
1
2
Genus
Species

Taxom