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

Trilobita ♰
Walch, 1771
Trilobites

4
5
2

Families
Genera
Species

List of families for Alma (Ellis County Texas)
4 Families width 2 Species

Elviniidae Kobayashi, 1935		1	Species	Taxom
Ptychaspididae Raymond, 1924		0	Species	Taxom
Phillipsiidae OEHLERT, 1886		1	Species	Taxom
Idahoiidae LOCHMAN, 1956		0	Species	Taxom

Genera for Alma (Ellis County Texas)
5 Genera with 2 Species

Chariocephalus Hall, 1863		1	Species	Taxom
Conaspis Hall, 1863		0	Species	Taxom
Ditomopyge Newell, 1937		1	Species	Taxom
Saratogia Walcott, 1916		0	Species	Taxom
Wilbernia Walcott, 1924		0	Species	Taxom

Species list for Alma (Ellis County Texas)
2 Species

Chariocephalus whitfieldi ♰ Hall, 1863
Ditomopyge decurtata ♰ GHEYSELINCK, 1937

Subnodes of Trilobita with occurrences in Alma (Ellis County Texas)

Order	Asaphida ♰ Salter, 1864	2 3 0	Families Genera Species	Taxom
Order	Proetida ♰ Fortey & Owens, 1975	1 1 1	Family Genus Species	Taxom
Order	Ptychopariida ♰ Swinnerton, 1915	1 1 1	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