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Checklist for Class Trilobita Walch, 1771 (Trilobites)
and region Union County (Illinois, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		3
3
3		Families
Genera
Species		 
Taxom
 


List of families for Union County (Illinois)
3 Families width 3 Species
Cheiruridae Salter, 18641SpeciesTaxom
Calymenidae Burmeister, 18431SpeciesTaxom
Asaphidae Burmeister, 18431SpeciesTaxom


Genera for Union County (Illinois)
3 Genera with 3 Species
Ceraurus Green, 18321SpeciesTaxom
Flexicalymene SHIRLEY, 18411SpeciesTaxom
Isotelus Dekay, 18241SpeciesTaxom


Species list for Union County (Illinois)
3 Species
Ceraurus pleurexanthemus ♰ Green, 1832
Flexicalymene senaria ♰ Conrad, 1841
Isotelus gigas ♰ Dekay, 1824

Subnodes of Trilobita with occurrences in Union County (Illinois)
OrderAsaphida ♰
Salter, 1864
1
1
1		Family
Genus
Species
Taxom

OrderPhacopida ♰
Salter, 1864
2
2
2		Families
Genera
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