Species list, Checklist of Class Trilobita ♰ (Trilobites) for Mills County (Texas, 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 Mills County (Texas, USA)

Trilobita ♰
Walch, 1771
Trilobites

4
6
1

Families
Genera
Species

List of families for Mills County (Texas)
4 Families width 1 Species

Crepicephalidae Kobayashi, 1935		0	Species	Taxom
Elviniidae Kobayashi, 1935		1	Species	Taxom
Spinagnostidae Howell, 1935		0	Species	Taxom
Parabolinoididae LOCHMAN, 1956		0	Species	Taxom

Genera for Mills County (Texas)
6 Genera with 1 Species

Crepicephalus Owen, 1852		0	Species	Taxom
Elvinia Walcott, 1924		0	Species	Taxom
Irvingella ULRICH & RESSER, 1924		1	Species	Taxom
Kormagnostus Resser, 1938		0	Species	Taxom
Orygmaspis Resser, 1937		0	Species	Taxom
Tricrepicephalus Kobayashi, 1935		0	Species	Taxom

Species list for Mills County (Texas)
1 Species

Irvingella major ♰ ULRICH & RESSER, 1924

Subnodes of Trilobita with occurrences in Mills County (Texas)

Order	Agnostida ♰ Salter, 1864	1 1 0	Family Genus Species	Taxom
Order	Asaphida ♰ Salter, 1864	1 1 0	Family Genus Species	Taxom
Order	Ptychopariida ♰ Swinnerton, 1915	2 4 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