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

  1. ^ a b "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.


Allikas: http://en.wikipedia.org/wiki/Willisus
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