Species list, Checklist of Family Trinucleidae ♰ for Oklahoma (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 Oklahoma (USA)

Class	Trilobita ♰ Walch, 1771 Trilobites	67 245 283	Families Genera Species	Taxom
Order	Asaphida ♰ Salter, 1864	15 69 80	Families Genera Species	Taxom
Suborder	Asaphina ♰ Fortey & Chatterton, 1988	14 64 76	Families Genera Species	Taxom
Superfamily	Trinucleioidea ♰ Delo, 1935	3 7 6	Families Genera Species	Taxom
Family	Trinucleidae ♰ Hawle & Corda, 1847	4 5	Genera Species	Taxom

Genera for Oklahoma
4 Genera with 5 Species

Cryptolithoides Whittington, 1941	1	Species	Taxom
Cryptolithus Green, 1832	4	Species	Taxom
Marrolithus BANCROFT, 1929	0	Species	Taxom
Trinucleus MURCHISON, 1839	0	Species	Taxom

Species list for Oklahoma
5 Species

Cryptolithoides ulrichi ♰ Whittington, 1941
Cryptolithus carinatus ♰
Cryptolithus convexus ♰
Cryptolithus fittsi ♰
Cryptolithus tesselatus ♰ Green, 1832

Links, sources and further information

Trinucleidae at gbif.org
Trinucleidae at irmng.org