Species list, Checklist of Infraorder Fornicephalae for Arkansas (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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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraorder Fornicephalae Raven, 1985
and region Arkansas (USA)

Class	Arachnida Lamarck, 1801 Arachnids	97 240 350	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	82 213 311	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	37 151 248	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	36 150 247	Families Genera Species	Taxom
Suborder	Mygalomorphae Pocock, 1892 Mygalomorphs, Primitive spiders	4 5 7	Families Genera Species	Taxom
Infraorder	Fornicephalae Raven, 1985	3 3 5	Families Genera Species	Taxom

List of families for Arkansas
3 Families width 5 Species

Cyrtaucheniidae (Simon, 1892)	Cyrtaucheiid spiders	1	Species	Taxom
Atypidae Thorell, 1870	Atypical tarantulas	3	Species	Taxom
Ctenizidae Thorell, 1887	Cork-lid trapdoor spider	1	Species	Taxom

Genera for Arkansas
3 Genera with 5 Species

Myrmekiaphila Atkinson, 1926		1	Species	Taxom
Sphodros Walckenaer, 1829		3	Species	Taxom
Ummidia Thorell, 1835	Cork-lid Trapdoor Spider	1	Species	Taxom

Species list for Arkansas
5 Species

Myrmekiaphila comstocki (Bishop & Crosby, 1926)	⇒ Eucteniza relata O. P.-Cambridge, 1895
Sphodros fitchi Gertsch & Pl..., 1980
Sphodros niger Hentz, 1842	Black purse-web spider
Sphodros rufipes Latreille, 1829	Red legged purseweb spider
Ummidia audouini Hippolyte Lucas, 1835

Subnodes of Fornicephalae with occurrences in Arkansas

Superfamily	Atypoidea Thorell, 1870	1 1 3	Family Genus Species	Taxom
Superfamily	Ctenizoidea Thorell, 1887 trap door spiders	1 1 1	Family Genus Species	Taxom
Superfamily	Cyrtauchenioidea Simon, 1892 Wafer trapdoor spiders	1 1 1	Family Genus Species	Taxom