Species list, Checklist of Class Trilobita ♰ (Trilobites) for Madison (Mercer County, Missouri, 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
Browser for Arthropods

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Checklist for Class Trilobita Walch, 1771 (Trilobites)
and region Madison (Mercer County, Missouri, USA)

Trilobita ♰
Walch, 1771
Trilobites

4
4
2

Families
Genera
Species

List of families for Madison (Mercer County Missouri)
4 Families width 2 Species

Calymenidae Burmeister, 1843		0	Species	Taxom
Phacopidae Hawle & Corda, 1847		1	Species	Taxom
Asaphidae Burmeister, 1843		0	Species	Taxom
Hammatocnemidae		1	Species	Taxom

Genera for Madison (Mercer County Missouri)
4 Genera with 2 Species

Calymene Brongniart, 1822		0	Species	Taxom
Eldredgeops STRUVE, 1832		1	Species	Taxom
Isotelus Dekay, 1824		0	Species	Taxom
Sphaerexochus Beyrich, 1868		1	Species	Taxom

Species list for Madison (Mercer County Missouri)
2 Species

Eldredgeops rana ♰ Green, 1832
Sphaerexochus romingeri ♰ Hall, 1868

Subnodes of Trilobita with occurrences in Madison (Mercer County Missouri)

Order	Asaphida ♰ Salter, 1864	1 1 0	Family Genus Species	Taxom
Order	Phacopida ♰ Salter, 1864	3 3 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