Species list, Checklist of Class Trilobita ♰ (Trilobites) for Butler (Mercer County, Ohio, 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 Butler (Mercer County, Ohio, USA)

Trilobita ♰
Walch, 1771
Trilobites

5
5
3

Families
Genera
Species

List of families for Butler (Mercer County Ohio)
5 Families width 3 Species

Selenopeltidae		0	Species	Taxom
Cheiruridae Salter, 1864		0	Species	Taxom
Trinucleidae Hawle & Corda, 1847		2	Species	Taxom
Calymenidae Burmeister, 1843		1	Species	Taxom
Asaphidae Burmeister, 1843		0	Species	Taxom

Genera for Butler (Mercer County Ohio)
5 Genera with 3 Species

Acidaspis MURCHISON, 1839		0	Species	Taxom
Ceraurus Green, 1832		0	Species	Taxom
Cryptolithus Green, 1832		2	Species	Taxom
Flexicalymene SHIRLEY, 1910		1	Species	Taxom
Isotelus Dekay, 1824		0	Species	Taxom

Species list for Butler (Mercer County Ohio)
3 Species

Cryptolithus bellulus ♰ Ulrich, 1878
Cryptolithus tesselatus ♰ Green, 1832
Flexicalymene meeki ♰ FOERSTE, 1910

Subnodes of Trilobita with occurrences in Butler (Mercer County Ohio)

Order	Asaphida ♰ Salter, 1864	2 2 2	Families Genera Species	Taxom
Order	Odontopleurida ♰ Whittington, 1959	1 1 0	Family Genus Species	Taxom
Order	Phacopida ♰ Salter, 1864	2 2 1	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