Species list, Checklist of Order Phacopida ♰ for Cook County (Illinois, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

Taxonomy & Distribution
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Checklist for Order Phacopida Salter, 1864
and region Cook County (Illinois, USA)

Class	Trilobita ♰ Walch, 1771 Trilobites	15 22 11	Families Genera Species	Taxom
Order	Phacopida ♰ Salter, 1864	6 8 4	Families Genera Species	Taxom

List of families for Cook County (Illinois)
6 Families width 4 Species

Calymenidae Burmeister, 1843		1	Species	Taxom
Cheiruridae Salter, 1864		2	Species	Taxom
Dalmanitidae VOGDES, 1890		0	Species	Taxom
Encrinuridae Angelin, 1854		0	Species	Taxom
Pterygometopidae Reed, 1905		0	Species	Taxom
Hammatocnemidae		1	Species	Taxom

Genera for Cook County (Illinois)
8 Genera with 4 Species

Calymene Brongniart, 1916		1	Species	Taxom
Cheirurus Beyrich, 1916		2	Species	Taxom
Dalmanites Barrande, 1852		0	Species	Taxom
Encrinurus Emmrich, 1844		0	Species	Taxom
Eophacops Delo, 1935		0	Species	Taxom
Gravicalymene SHIRLEY, 1936		0	Species	Taxom
Lygdozoon Holloway, 1981		0	Species	Taxom
Sphaerexochus Beyrich, 1868		1	Species	Taxom

Species list for Cook County (Illinois)
4 Species

Calymene celebra ♰ Raymond, 1916
Cheirurus niagarensis ♰ Hall, 1868
Cheirurus patens ♰ Raymond, 1916
Sphaerexochus romingeri ♰ Hall, 1868

Subnodes of Phacopida with occurrences in Cook County (Illinois)

Suborder	Calymenina ♰ Swinnerton, 1915	1 2 1	Family Genera Species	Taxom
Suborder	Cheirurina ♰ Harrington, 1957	3 3 3	Families Genera Species	Taxom
Suborder	Phacopina ♰ STRUVE, 1959	2 3 0	Families Genera Species	Taxom

Links, sources and further information

Phacopida at gbif.org
Phacopida at irmng.org