Species list, Checklist of Infraorder Fornicephalae for Alaska (West USA, USA)

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

Class	Arachnida Lamarck, 1801 Arachnids	195 526 962	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	180 501 935	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	37 247 615	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	37 247 615	Families Genera Species	Taxom
Suborder	Mygalomorphae Pocock, 1892 Mygalomorphs, Primitive spiders	2 2 2	Families Genera Species	Taxom
Infraorder	Fornicephalae Raven, 1985	2 2 2	Families Genera Species	Taxom

List of families for Alaska
2 Families width 2 Species

Antrodiaetidae Gertsch, 1940	Folding trapdoor spider	1	Species	Taxom
Idiopidae Simon, 1892	Armored trapdoor spiders	1	Species	Taxom

Genera for Alaska
2 Genera with 2 Species

Antrodiaetus Ausserer, 1884	Red Folding Door Trapdoor Spider	1	Species	Taxom
Eucyrtops Pocock, 1957		1	Species	Taxom

Species list for Alaska
2 Species

Antrodiaetus pacificus Simon, 1884
Eucyrtops eremaeus Barbara York..., 1957

Subnodes of Fornicephalae with occurrences in Alaska

Superfamily	Atypoidea Thorell, 1870	1 1 1	Family Genus Species	Taxom
Superfamily	Idiopoidea Simon, 1892	1 1 1	Family Genus Species	Taxom