Species list, Checklist of Class Trilobita ♰ (Trilobites) for Thornton (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 Class Trilobita Walch, 1771 (Trilobites)
and region Thornton (Cook County, Illinois, USA)

Trilobita ♰
Walch, 1771
Trilobites

7
9
4

Families
Genera
Species

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

Lichidae Hawle & Corda, 1847		0	Species	Taxom
Tsinaniidae Kobayashi, 1935		1	Species	Taxom
Selenopeltidae		1	Species	Taxom
Cheiruridae Salter, 1864		1	Species	Taxom
Proetidae Salter, 1864		0	Species	Taxom
Lichakephalidae Tripp, 1957		0	Species	Taxom
Illaenidae Hawle & Corda, 1847		1	Species	Taxom

Genera for Thornton (Cook County Illinois)
9 Genera with 4 Species

Arctinurus Castelnau, 1843		0	Species	Taxom
Bumastus MURCHISON, 1865		1	Species	Taxom
Ceratocephala WARDER, 1838		1	Species	Taxom
Cheirurus Beyrich, 1916		1	Species	Taxom
Decoroproetus Pribyl, 1946		0	Species	Taxom
Dicranopeltis Hawle & Corda, 1847		0	Species	Taxom
Dudleyaspis PRANTL & PIBYL, 1949		0	Species	Taxom
Ordosaspis LU, 1976		1	Species	Taxom
Platylichas Gürich, 1901		0	Species	Taxom

Species list for Thornton (Cook County Illinois)
4 Species

Bumastus insignis ♰ Hall, 1865
Ceratocephala goniata ♰ WARDER, 1838
Cheirurus patens ♰ Raymond, 1916
Ordosaspis illaenoides ♰ LU, 1976

Subnodes of Trilobita with occurrences in Thornton (Cook County Illinois)

Order	Corynexochida ♰ Kobayashi, 1935	2 2 2	Families Genera Species	Taxom
Order	Lichida ♰ Moore, 1959	2 3 0	Families Genera Species	Taxom
Order	Odontopleurida ♰ Whittington, 1959	1 2 1	Family Genera Species	Taxom
Order	Phacopida ♰ Salter, 1864	1 1 1	Family Genus Species	Taxom
Order	Proetida ♰ Fortey & Owens, 1975	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