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


Class
 		Arachnida
Lamarck, 1801
Arachnids		71
120
135		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
54
101
113		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
39
83
95		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		36
78
90		Families
Genera
Species		 
Taxom
 

Suborder
 		Mygalomorphae
Pocock, 1892
Mygalomorphs, Primitive spiders		5
9
9		Families
Genera
Species		 
Taxom
 

Infraorder
 		Fornicephalae
Raven, 1985
2
2
2		Families
Genera
Species		 
Taxom
 


List of families for Cretaceous
2 Families width 2 Species
Atypidae Thorell, 1870Atypical tarantulas1SpeciesTaxom
Antrodiaetidae Gertsch, 1940Folding trapdoor spider1SpeciesTaxom


Genera for Cretaceous
2 Genera with 2 Species
Ambiortiphagus Eskov, 19901SpeciesTaxom
Cretacattyma Eskov, 19901SpeciesTaxom


Species list for Cretaceous
2 Species
Ambiortiphagus ponomarenkoi ♰ K. Y. Eskov, 1990
Cretacattyma raveni ♰ K. Y. Eskov, 1990

Subnodes of Fornicephalae with occurrences in Cretaceous
SuperfamilyAtypoidea
Thorell, 1870
2
2
2		Families
Genera
Species
Taxom