Species list, Checklist of Infraorder Fornicephalae for Lower Cretaceous (Cretaceous)

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Checklist for Infraorder Fornicephalae Raven, 1985
and region Lower Cretaceous (Cretaceous)

Class	Arachnida Lamarck, 1801 Arachnids	39 53 60	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	33 47 54	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	26 39 46	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	24 37 44	Families Genera Species	Taxom
Suborder	Mygalomorphae Pocock, 1892 Mygalomorphs, Primitive spiders	5 8 8	Families Genera Species	Taxom
Infraorder	Fornicephalae Raven, 1985	2 2 2	Families Genera Species	Taxom

List of families for Lower Cretaceous
2 Families width 2 Species

Atypidae Thorell, 1870	Atypical tarantulas	1	Species	Taxom
Antrodiaetidae Gertsch, 1940	Folding trapdoor spider	1	Species	Taxom

Genera for Lower Cretaceous
2 Genera with 2 Species

Ambiortiphagus Eskov, 1990		1	Species	Taxom
Cretacattyma Eskov, 1990		1	Species	Taxom

Species list for Lower Cretaceous
2 Species

Ambiortiphagus ponomarenkoi ♰ K. Y. Eskov, 1990
Cretacattyma raveni ♰ K. Y. Eskov, 1990

Subnodes of Fornicephalae with occurrences in Lower Cretaceous

Superfamily

2
2
2

Families
Genera
Species