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Checklist for Order Asaphida Salter, 1864
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
 


List of families for Butler County (Pennsylvania)
3 Families width 5 Species
Asaphidae Burmeister, 18432SpeciesTaxom
Trinucleidae Hawle & Corda, 18472SpeciesTaxom
Raphiophoridae Angelin, 18541SpeciesTaxom


Genera for Butler County (Pennsylvania)
5 Genera with 5 Species
Bellefontia ULRICH, 1924
0SpeciesTaxom
Cryptolithus Green, 18322SpeciesTaxom
Homotelus Raymond, 19201SpeciesTaxom
Isotelus Dekay, 18241SpeciesTaxom
Lonchodomas Angelin, 01SpeciesTaxom


Species list for Butler County (Pennsylvania)
5 Species
Cryptolithus bellulus ♰ Ulrich, 1878
Cryptolithus tesselatus ♰ Green, 1832
Homotelus elongatus ♰ Raymond, 1920
Isotelus gigas ♰ Dekay, 1824
Lonchodomas sublaevis ♰

Subnodes of Asaphida with occurrences in Butler County (Pennsylvania)
SuborderAsaphina ♰
Fortey & Chatterton, 1988
3
5
5		Families
Genera
Species
Taxom



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