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Checklist for Order Phacopida Salter, 1864
and region Chicago (Northern Illinois, Illinois, USA)


Class
 
Trilobita
Walch, 1771
Trilobites
7
9
8
Families
Genera
Species
 
Taxom
 

Order
 
Phacopida
Salter, 1864
3
4
5
Families
Genera
Species
 
Taxom
 


List of families for Chicago
3 Families width 5 Species
Calymenidae Burmeister, 18432SpeciesTaxom
Cheiruridae Salter, 18642SpeciesTaxom
Hammatocnemidae1SpeciesTaxom


Genera for Chicago
4 Genera with 5 Species
Calymene Brongniart, 18432SpeciesTaxom
Ceraurus Green, 19071SpeciesTaxom
Cheirurus Beyrich, 19161SpeciesTaxom
Sphaerexochus Beyrich, 18681SpeciesTaxom


Species list for Chicago
5 Species
Calymene celebra Raymond, 1916
Calymene niagarensis Hall, 1843
Ceraurus hydei Weller, 1907
Cheirurus patens Raymond, 1916
Sphaerexochus romingeri Hall, 1868

Subnodes of Phacopida with occurrences in Chicago
SuborderCalymenina
Swinnerton, 1915
1
1
2
Family
Genus
Species

Taxom

SuborderCheirurina
Harrington, 1957
2
3
3
Families
Genera
Species

Taxom



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