Species list, Checklist of Family Trinucleidae ♰ for Butler County (Pennsylvania, 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

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Checklist for Family Trinucleidae Hawle & Corda, 1847
and region Butler County (Pennsylvania, USA)

Class	Trilobita ♰ Walch, 1771 Trilobites	27 35 15	Families Genera Species	Taxom
Order	Asaphida ♰ Salter, 1864	3 5 5	Families Genera Species	Taxom
Suborder	Asaphina ♰ Fortey & Chatterton, 1988	3 5 5	Families Genera Species	Taxom
Superfamily	Trinucleioidea ♰ Delo, 1935	2 2 3	Families Genera Species	Taxom
Family	Trinucleidae ♰ Hawle & Corda, 1847	1 2	Genus Species	Taxom

Genera for Butler County (Pennsylvania)
1 Genera with 2 Species

Cryptolithus Green, 1832

2

Species

Species list for Butler County (Pennsylvania)
2 Species

Cryptolithus bellulus ♰ Ulrich, 1878
Cryptolithus tesselatus ♰ Green, 1832

Links, sources and further information

Trinucleidae at gbif.org
Trinucleidae at irmng.org