Theridion attritum

Theridion attritum is a spider from Western Australia. While it was formerly placed in the families Araneidae and Theridiosomatidae' in 1967 it was found to belong to the family Theridiidae, and indeed to the genus Theridion. While all members of the first two families have a large colulus, while T. attritum lacks one altogether. It is not to be confused with Anelosimus attritus, which was for a time known as Theridion attritum.

Theridion attritum
Dorsal abdomen of female
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Theridiidae
Genus: Theridion
Species:
T. attritum
Binomial name
Theridion attritum
(Simon, 1908)
Synonyms

Billima attrita

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