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Checklist for Superfamily Tetrablemmoidea Lehtinen, 1986
and region Upper Cretaceous (Cretaceous)


Class
 		Arachnida
Lamarck, 1801
Arachnids		39
67
72		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
27
54
56		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
20
46
48		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		18
43
45		Families
Genera
Species		 
Taxom
 

Suborder
 		Araneomorphae
Smith, 1902
True Spiders		11
30
28		Families
Genera
Species		 
Taxom
 

Infraorder
 		Araneomorphi
Smith, 1902
11
30
28		Families
Genera
Species		 
Taxom
 

Superfamily
 		Tetrablemmoidea
Lehtinen, 1986
1
4
4		Family
Genera
Species		 
Taxom
 


List of families for Upper Cretaceous
1 Family width 4 Species
Tetrablemmidae O. P-Cambridge, 1873Armored spider4SpeciesTaxom


Genera for Upper Cretaceous
4 Genera with 4 Species
Electroblemma1SpeciesTaxom
Eogamasomorpha Wunderlich, 20081SpeciesTaxom
Eoscaphiella Wunderlich, 20111SpeciesTaxom
Saetosoma Wunderlich, 20121SpeciesTaxom


Species list for Upper Cretaceous
4 Species
Electroblemma bifida Selden & al., 2016
Eogamasomorpha nubila ♰ J. Wunderlich, 2008
Eoscaphiella ohlhoffi ♰ J. Wunderlich, 2011
Saetosoma filiembolus ♰ J. Wunderlich, 2012

Subnodes of Tetrablemmoidea with occurrences in Upper Cretaceous
FamilyTetrablemmidae
O. P-Cambridge, 1873
armored spider, Armored spiders, Tetrablemmid spiders		4
4		Genera
Species
Taxom