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Checklist for Class Trilobita Walch, 1771 (Trilobites)
and region Butler (Freestone County, Texas, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		1
1
0		Family
Genus
Species		 
Taxom
 


List of families for Butler (Freestone County)
1 Family width 0 Species
Trinucleidae Hawle & Corda, 18470SpeciesTaxom


Genera for Butler (Freestone County)
1 Genera with 0 Species
Cryptolithus Green, 1832
0SpeciesTaxom

Subnodes of Trilobita with occurrences in Butler (Freestone County)
OrderAsaphida ♰
Salter, 1864
1
1
0		Family
Genus
Species
Taxom



Links, sources and further information
Trilobita at ps-19.org
Trilobita at trilobites.info
Trilobita at westerntrilobites.com
Trilobita at gbif.org
Trilobita at irmng.org