Species list, Checklist of Class Trilobita ♰ (Trilobites) for Calhoun (Harrison County, Iowa, 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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Harrison County

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Checklist for Class Trilobita Walch, 1771 (Trilobites)
and region Calhoun (Harrison County, Iowa, USA)

Trilobita ♰
Walch, 1771
Trilobites

3
3
4

Families
Genera
Species

List of families for Calhoun (Harrison County Iowa)
3 Families width 4 Species

Cheiruridae Salter, 1864		1	Species	Taxom
Hammatocnemidae		1	Species	Taxom
Asaphidae Burmeister, 1843		2	Species	Taxom

Genera for Calhoun (Harrison County Iowa)
3 Genera with 4 Species

Ceraurus Green, 1832		1	Species	Taxom
Erratencrinurus Krueger, 1847		1	Species	Taxom
Isotelus Dekay, 1838		2	Species	Taxom

Species list for Calhoun (Harrison County Iowa)
4 Species

Ceraurus pleurexanthemus ♰ Green, 1832
Erratencrinurus vigilans ♰ Hall, 1847
Isotelus gigas ♰ Dekay, 1824
Isotelus maximus ♰ Locke, 1838

Subnodes of Trilobita with occurrences in Calhoun (Harrison County Iowa)

Order	Asaphida ♰ Salter, 1864	1 1 2	Family Genus Species	Taxom
Order	Phacopida ♰ Salter, 1864	2 2 2	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