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Checklist for Class Trilobita Walch, 1771 (Trilobites)
and region Cross County (Arkansas, USA)


Class
 		Trilobita ♰
Walch, 1771
Trilobites		4
4
3		Families
Genera
Species		 
Taxom
 


List of families for Cross County
4 Families width 3 Species
Catillicephalidae Raymond, 19381SpeciesTaxom
Idahoiidae LOCHMAN, 19561SpeciesTaxom
Dokimocephalidae Kobayashi, 19350SpeciesTaxom
Elviniidae Kobayashi, 19351SpeciesTaxom


Genera for Cross County
4 Genera with 3 Species
Buttsia Wilson, 19511SpeciesTaxom
Comanchia FREDERICKSON, 01SpeciesTaxom
Dellea Wilson, 1949
0SpeciesTaxom
Irvingella ULRICH & RESSER, 19241SpeciesTaxom


Species list for Cross County
3 Species
Buttsia drabensis ♰ Wilson, 1951
Comanchia amplooculata ♰
Irvingella major ♰ ULRICH & RESSER, 1924

Subnodes of Trilobita with occurrences in Cross County
OrderAsaphida ♰
Salter, 1864
2
2
2		Families
Genera
Species
Taxom

OrderCorynexochida ♰
Kobayashi, 1935
1
1
0		Family
Genus
Species
Taxom

OrderPtychopariida ♰
Swinnerton, 1915
1
1
1		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