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Checklist for Infraclass Megoperculata Börner, 1902
and region Lower Oligocene (Oligocene)


Class
 		Arachnida
Lamarck, 1801
Arachnids		7
7
7		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
6
6
6		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
6
6
6		Families
Genera
Species		 
Taxom
 


List of families for Lower Oligocene
6 Families width 6 Species
Araneidae Simon, 1895Golden orb web spiders1SpeciesTaxom
Salticidae Blackwall, 1842Jumping Spider1SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders1SpeciesTaxom
Tengellidae Dahl, 1908Tengellid spiders1SpeciesTaxom
Thomisidae Sundevall, 1833Crab Spider1SpeciesTaxom
Theridiidae Sundevall, 1833Cobweb And Widow Spiders1SpeciesTaxom


Genera for Lower Oligocene
6 Genera with 6 Species
Araneus Clerck, 1859Angulate & roundshouldered orbweavers1SpeciesTaxom
Heliophanus C. L. Koch, 19391SpeciesTaxom
Linyphia Latreille, 19391SpeciesTaxom
Socalchemmis Platnick & U..., 19191SpeciesTaxom
Synema Simon, 19391SpeciesTaxom
Theridion Walckenaer, 1939Tangle-Web Spiders1SpeciesTaxom


Species list for Lower Oligocene
6 Species
Araneus balanus Doleschall, 1859
Heliophanus extinctus ♰ L. Berland, 1939
Linyphia quievreuxi ♰ L. Berland, 1939
Socalchemmis dolichopus Ralph Vary C..., 1919
Synema enigmaticum ♰ L. Berland, 1939
Theridion crassipalpum ♰ L. Berland, 1939

Subnodes of Megoperculata with occurrences in Lower Oligocene
OrderAraneae
Clerck, 1757
Spider, Spiders, True Spiders		6
6
6		Families
Genera
Species
Taxom