Article · Wikipedia archive · Last revised Jul 7, 2026

Willisus

Willisus is a monotypic genus of North American araneomorph spiders in the family Cybaeidae containing the single species, Willisus gertschi. It was first described by V. D. Roth in 1981, and has only been found in United States.

Last revised
Jul 7, 2026
Read time
≈ 1 min
Length
113 w
Citations
3
Source
Willisus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Cybaeidae
Genus: Willisus
Roth, 19811
Species:
W. gertschi
Binomial name
Willisus gertschi
Roth, 1981

Willisus is a monotypic genus of North American araneomorph spiders in the family Cybaeidae containing the single species, Willisus gertschi. It was first described by V. D. Roth in 1981,2 and has only been found in United States.1

References

References

  1. "Gen. Willisus Roth, 1981". World Spider Catalog Version 20.0. Natural History Museum Bern. 2019. doi:10.24436/2. Retrieved 2019-06-07.
  2. Roth, V. D. (1981). "A new genus of spider (Agelenidae) from California exhibiting a third type of leg autospasy". Bulletin of the American Museum of Natural History. 170: 101–105.