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Checklist for Infraclass Megoperculata Börner, 1902
and region Portland (Cumberland County, Maine, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		5
8
8		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
5
8
8		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
4
7
7		Families
Genera
Species		 
Taxom
 


List of families for Portland (Maine)
4 Families width 7 Species
Theridiidae (Sundevall, 1833)Cobweb And Widow Spiders1SpeciesTaxom
Salticidae Blackwall, 1842Jumping Spider1SpeciesTaxom
Linyphiidae Blackwall, 1859Dwarf spiders4SpeciesTaxom
Lycosidae Lehtinen & H..., 1979Ground Spiders1SpeciesTaxom


Genera for Portland (Maine)
7 Genera with 7 Species
Enoplognatha Pavesi, 18501SpeciesTaxom
Eris C. L. Koch, 18461SpeciesTaxom
Estrandia Blauvelt, 18861SpeciesTaxom
Neriene Blackwall, 18921SpeciesTaxom
Poeciloneta Kulczynski, 19091SpeciesTaxom
Schizocosa Chamberlin, 19511SpeciesTaxom
Tapinopa Westring, 18931SpeciesTaxom


Species list for Portland (Maine)
7 Species
Enoplognatha marmorata (Nicholas Mar..., 1850)⇒ Enoplognatha caricis Fickert, 1876
Eris rufa Carl Ludwig ..., 1846
Estrandia grandaeva Eugen von Ke..., 1886
Neriene variabilis Richard C. B..., 1892
Poeciloneta calcaratus Emerton, 1909
Schizocosa crassipalpata Carl Friedri..., 1951San Diego bird's-foot trefoil
Tapinopa bilineata Richard C. B..., 1893

Subnodes of Megoperculata with occurrences in Portland (Maine)
OrderAraneae
Clerck, 1757
Spider, Spiders, True Spiders		4
7
7		Families
Genera
Species
Taxom