Species list, Checklist of Infraorder Fornicephalae for Atlantic Ocean (World Oceans)

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Checklist for Infraorder Fornicephalae Raven, 1985
and region Atlantic Ocean (World Oceans)

Class	Arachnida Lamarck, 1801 Arachnids	118 353 603	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	103 330 578	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	47 244 445	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	47 244 445	Families Genera Species	Taxom
Suborder	Mygalomorphae Pocock, 1892 Mygalomorphs, Primitive spiders	4 6 6	Families Genera Species	Taxom
Infraorder	Fornicephalae Raven, 1985	2 4 4	Families Genera Species	Taxom

List of families for Atlantic Ocean
2 Families width 4 Species

Cyrtaucheniidae (Simon, 1892)	Cyrtaucheiid spiders	2	Species	Taxom
Ctenizidae Thorell, 1887	Cork-lid trapdoor spider	2	Species	Taxom

Genera for Atlantic Ocean
4 Genera with 4 Species

Species list for Atlantic Ocean
4 Species

Amblyocarenum walckenaeri Lucas, 1846
Cteniza sauvagesi Pietro Rossi, 1788
Cyrtauchenius walckenaeri (Lucas, 1846)	⇒ Amblyocarenum walckenaeri Lucas, 1846
Ummidia aedificatoria Westwood, 1840

Subnodes of Fornicephalae with occurrences in Atlantic Ocean

Superfamily	Ctenizoidea Thorell, 1887 trap door spiders	1 2 2	Family Genera Species	Taxom
Superfamily	Cyrtauchenioidea Simon, 1892 Wafer trapdoor spiders	1 2 2	Family Genera Species	Taxom